Exhibit 10.2

                            Share Exchange Agreement




                            SHARE EXCHANGE AGREEMENT



         This   Share   Exchange   Agreement   ("Agreement"),    dated   as   of
______________,  1999, among GS TELECOM LIMITED ("GST"), a Colorado Corporation,
and Steven C. Gillam (Gillam) and David Andrew Castle (Castle).


                              W I T N E S S E T H:

     A. WHEREAS, GST is a corporation duly organized under the laws of the State
of Colorado, and Gillam and Castle are residents of the U. K.

     B.  Exchange  of Shares.  GST and  Castle and Gillam  agree that 15% of the
ownership interests of

                  Manex Studios LLC
                  Manex Visual Effects LLC
                  Manex Entertainment Ltd
                  Mass Illusions LLC

(HEREINAFTER  THE  LLC  INTEREST)  SHALL  BE  EXCHANGED  TO GST  FOR  38,720,000
(THIRTY-EIGHT  MILLION SEVEN HUNDRED TWENTY THOUSAND) SHARES OF THE COMMON STOCK
OF GST. EQUAL NUMBERS OF THE GST SHARES, ON THE CLOSING DATE, SHALL BE DELIVERED
TO GILLAM AND CASTLE IN EXCHANGE FOR THEIR INTERESTS AS DESCRIBED ABOVE.

         C.  WHEREAS,  the  parties  hereto  wish to enter into this  Agreement,
pursuant to the provisions of the Colorado Statutes.

         NOW, THEREFORE, it is agreed among the parties as follows:

                                    ARTICLE I
                                The Consideration

         1.1 Subject to the  conditions  set forth herein on the "Closing  Date"
(as herein  defined),  Gillam & Castle shall exchange 15% of the outstanding LLC
interest in Manex Studios LLC,  Manex Visual  Effects LLC,  Manex  Entertainment
Ltd,  Mass  Illusions  LLC for  38,720,000  (Thirty-Eight  Million Seven Hundred
Twenty)  (19,360,000  each to Gillam and Castle)  common shares of GST stock and
the Agreement  for bonus  registration  as set forth in article 7.7 hereof.  The
transactions  contemplated  by this  Agreement  shall be  completed at a closing
("Closing")  on a  closing  date  ("Closing  Date")  which  shall  be as soon as
possible after all conditions of this agreement have been met or satisfied.







         On the  Closing  Date,  all of the  documents,  shares  and notes to be
furnished to GST and Castle and Gillam,  including the documents to be furnished
pursuant to Article VII of this  Agreement,  shall be  delivered  to be promptly
distributed to the parties as specified in this Agreement.


                                   ARTICLE II
                         Issuance and Exchange of Shares

         2.1 The shares of no par value  common  stock of GST shall be issued by
it to Castle and Gillam (or according to their  instructions  at closing and the
assignment of LLC interests specified in 1.1 shall be delivered to GST, together
with an Agreement as specified in Article 7.7 hereof.

         2.2 Other than those  previously  disclosed in writing,  GST represents
that

a. no outstanding options or warrants for its unissued shares exist;

b. all  preferred  stock of GST due for  redemption  as of the date hereof shall
have been redeemed as of closing date, if any; and

c. other  than the rights  accruing  to  holders of the  Convertible  Loan Notes
listed in Schedule 4.2, that there are no loans or other instruments which carry
conversion  rights  giving the holder rights to voting shares in GST at any time
after closing.


                                   ARTICLE III
                           Representations, Warranties
                       and Covenants of Castle and Gillam

         Subject to the disclosures  referred to in 3.3 Castle and Gillam hereby
represent,  warrant,  and  covenant  to GST to the best of their  knowledge  and
belief as follows:

         3.1 Castle and Gillam have title to the LLC  interest as  disclosed  to
GST.





         3.2  Neither  the  making  of nor the  compliance  with the  terms  and
provisions of this Agreement and consummation of the  transactions  contemplated
herein will  conflict  with or result in a breach or violation of any  covenant,
promise, or loan agreement entered into previously by Castle and Gillam.

         3.3 Castle and Gillam have deduced title to their  interest in the LLCs
to GST.  As a result  of  claims  to other  interests  in the LLCs made by third
parties,  declaratory  relief is being  sought  by the  other  LLC  shareholders
against  whom these  claims were made,  in the course of which the  ownership of
shares by Castle and Gillam will be included. Assurances have been received from
the parties  claiming  interest  against the other LLC  shareholders  that their
claims do not extend to the shares owned by Castle and Gillam.

         3.4 The  representations  and  warranties of Castle and Gillam are true
and correct as of the date hereof.

         3.5 All warranties and representations  concerning the LLC interests of
Castle and Gillam which are relied upon by GST are contained in this agreement.

         3.6 Intellectual  Property.  As disclosed to GST certain but not all of
the trade names, inventions, discoveries, ideas, research, engineering, methods,
practices,  processes, systems, formulae, designs, drawings, products, projects,
improvements,  developments,  know-how,  and trade secrets which are used in the
conduct of business by the LLC's,  whether  registered or unregistered are owned
by or licensed to Masstech Inc.  (collectively  the "Proprietary  Rights").  The
title to the Proprietary Rights that are not in the public domain in the name of
Masstech  Inc  has  been  disclosed  to  GST  and is  not  in  the  name  of any
shareholder,  director, officer, agent, partner or employee or anyone else known
to Masstech  Inc(except to the extent that part of the title  includes an option
which has not yet been  exercised)  and none of the same have any right,  title,
interest,  restriction,  lien or encumbrance therein or thereon or thereto.  The
LLCs' use of the  Proprietary  Rights is set out in the title to the Proprietary
Rights.

         3.7  Material  Contracts.  Other than as  disclosed in the title to the
Proprietary Rights disclosed to GST there is no material  obligation,  contract,
agreement,  lease, sublease,  commitment or understanding of any kind, nature or
description,  oral  or  written,  fixed  or  contingent  due or to  become  due,
existing, or inchoate relating to the Proprietary Rights.


                                   ARTICLE IV
         Representations, Warranties and Covenants of GS Telecom Limited






         No  representations  or warranties  are made by any director,  officer,
employee  or  shareholder  of GST as  individuals,  except as and to the  extent
stated in this Agreement or in a separate written statement.

         GST hereby  represents,  warrants  and  covenants to Castle and Gillam,
except as stated in the GST Disclosure Statement, as follows both for itself and
it's subsidiary and associated companies:

         4.1 (a) GST is a corporation  duly organized,  validly  existing and in
good  standing  under the laws of the State of Colorado,  and has the  corporate
power and authority to own or lease its  properties and to carry on its business
as it is now being conducted.  The Articles of Incorporation  and Bylaws of GST,
copies of which have been  delivered  to Castle and  Gillam,  are  complete  and
accurate,  and the minute  books of GST contain a record,  which is complete and
accurate in all material respects, of all meetings, and all corporate actions of
the shareholders and Board of Directors of GST.

                  (b) All subsidiary  and associated  companies of GST have been
formed and have  conducted  their  business in  accordance  with the laws of the
country and/or state in which they are resident.

         4.2 The aggregate  number of shares which GST is authorized to issue is
100,000,000  (One Hundred  Million) shares of common stock with no par value per
share, of which17,  056,414  (Seventeen  Million fifty six Thousand Four Hundred
Fourteen) shares of such common stock will be issued and outstanding, fully paid
and  non-assessable,   prior  to  closing  under  this  agreement.  GST  has  no
outstanding options,  warrants or other rights to purchase,  or subscribe to, or
securities  convertible  into or  exchangeable  for any shares of capital stock,
except for the notes with  conversion  privileges  listed in  Schedule  4.2.  No
preferred stock of GST is outstanding.

         4.3 GST has complete and unrestricted power to enter into and, upon the
appropriate  approvals  as  required  by law;  to  consummate  the  transactions
contemplated by this Agreement.

         4.4  Neither  the  making  of nor the  compliance  with the  terms  and
provisions of this Agreement and consummation of the  transactions  contemplated
herein by GST will  conflict  with or result  in a breach  or  violation  of the
Articles of Incorporation  or Bylaws of GST or the rules of N.A.S.D.A.Q.  and/or
the Securities Exchange Commission (S.E.C.) where appropriate.

           4.5 The  execution of this  Agreement  has been duly  authorized  and
approved by the GST's Board of Directors.

         4.6 GST has delivered to Castle and Gillam audited financial statements
of GST and all subsidiary and associated companies dated June 30, 1998. All such
statements, herein sometimes together called "GST Financial Statements" are (and
will be) complete and correct in all material  respects  and,  together with the
notes to these financial  statements,  present fairly the financial position and
results of operations of GST of the periods indicated. All statements of GST and
its subsidiary  and  associated  companies will have been prepared in accordance
with generally accepted accounting principles.

         4.7 Since the dates of the GST  Financial  Statements,  there  have not
been any material  adverse  changes in the business or  condition,  financial or
otherwise of GST or any subsidiary or associated company.  GST does not have any
material  liabilities or  obligations,  secured or unsecured  except as shown on
updated  financials  (whether  accrued,   absolute,   contingent  or  otherwise)
disclosed  to Castle and Gillam in writing  prior to the closing and the Closing
Date.

         4.8 GST has delivered to Castle and Gillam a full list and  description
of all existing  pending  legal  proceedings  involving  GST, none of which will
materially  adversely affect them, and, except for these proceedings,  there are
no  legal  proceedings  or  regulatory  proceedings  involving  material  claims
pending,  or, to the  knowledge  of the officers of GST and its  subsidiary  and
associated companies, threatened against any of these companies or affecting any
of its assets or  properties,  and none have  committed  any material  breach or
violation of or default  under any contract or  instrument to which any of these
companies is a party,  and no event has occurred which with the lapse of time or
action by a third party could  result in a material  breach or  violation  of or
default under any contract or other  instrument to which any of these  companies
is a party or by which they or any of their  respective  properties may be bound
or affected,  or under their respective Articles of Incorporation or Bylaws, nor
is there any  court or  regulatory  order  pending,  applicable  to any of these
companies.






         4.9  Neither  GST or any  subsidiary  or  associated  company  or agent
thereof shall not enter into or consummate any transactions prior to the Closing
Date other than in the ordinary course of business and will pay no dividend,  or
increase the  compensation  of officers and will not enter into any agreement or
transaction which would adversely affect its financial  condition,  or issue any
new shares.

         4.10 GST or any subsidiary or associated  company is not a party to any
contract performable in the future, except as shown in Schedule 4.10.

         4.11 The  representations and warranties of GST are true and correct as
of the date hereof.

         4.12 GST has  delivered,  or will deliver within four weeks of the date
of this Agreement,  to Castle and Gillam, all of its corporate books and records
for review,  true and correct  copies of GST tax return since 1996,  if any. GST
will also  deliver  Castle and Gillam on or before the Closing  Date any reports
relating to the  financial  and business  condition of GST which occur after the
date of this Agreement and any other reports sent generally to its  shareholders
after the date of this Agreement.

         4.13 GST has no employee benefit plan in effect at this time.

         4.14 No  representation  or warranty by GST in this Agreement,  the GST
Disclosure  Statement or any certificate  delivered pursuant hereto contains any
untrue  statement  of a  material  fact or  omits  to state  any  material  fact
necessary to make such representation or warranty not misleading.


                                    ARTICLE V
               Obligations of the Parties Pending the Closing Date

         5.1 At all times prior to the  Closing  Date  during  regular  business
hours, each party will permit the other to examine its books and records and the
books and  records  of its  subsidiaries  and will  furnish  copies  thereof  on
request.  It is recognized that, during the performance of this Agreement,  each
party may provide the other parties with  information,  which is confidential or
proprietary  information.  During the term of this Agreement, and for four years
following the termination of this Agreement,  the recipient of such  information
shall protect such information from disclosure to persons, other than members of
its own or affiliated  organizations and its professional  advisers, in the same
manner as it protects  its own  confidential  or  proprietary  information  from
unauthorized  disclosure,  and  not  use  such  information  to the  competitive
detriment of the disclosing party. In addition,  if this Agreement is terminated
for any reason,  each party shall  promptly  return or cause to be returned  all
documents  or  other  written  records  of  such   confidential  or  proprietary
information, together with all copies of such writings  and, in addition,  shall






either  furnish or cause to be furnished,  or shall  destroy,  or shall maintain
with such standard of care as is exercised with respect to its own  confidential
or proprietary information, all copies of all documents or other written records
developed  or  prepared  by such  party  on the  basis of such  confidential  or
proprietary  information.  No information  shall be considered  confidential  or
proprietary if it is (a)  information  already in the possession of the party to
whom  disclosure  is made,  (b)  information  acquired  by the party to whom the
disclosure is made from other sources,  or (c)  information in the public domain
or  generally  available to  interested  persons or which at a later date passes
into the public domain or becomes  available to the party to whom  disclosure is
made without any wrongdoing by the party to whom the disclosure is made.

         5.2 GST and Castle and Gillam  shall  promptly  provide each other with
information  as to any  significant  developments  in the  performance  of  this
Agreement,  and shall promptly  notify the other if it discovers that any of its
representations,  warranties and covenants contained in this Agreement or in any
document delivered in connection with this Agreement was not true and correct in
all material respects or became untrue or incorrect in any material respect.

         5.3 All parties to this Agreement  shall take all such action as may be
reasonably  necessary and  appropriate and shall use their best efforts in order
to consummate the transactions contemplated hereby as promptly as practicable.


                                   ARTICLE VI
                             Procedure for Exchange

         6.1 At the Closing Date, the exchange shall be effected as set forth in
Colorado Laws with common stock  certificates of GST being exchanged for the LLC
interests.


                                   ARTICLE VII
                           Conditions Precedent to the
                          Consummation of the Exchange

         The  following  are  conditions  precedent to the  consummation  of the
Agreement on or before the Closing Date:

         7.1 Castle and Gillam shall have performed and complied with all of its
respective  obligations  hereunder which are to be complied with or performed on
or before the  Closing  Date and GST and Castle and  Gillam  shall  provide  one
another at the  Closing  with a  certificate  to the effect  that such party has
performed each of the acts and undertakings required to be performed by it on or
before the Closing Date pursuant to the terms of this Agreement.





         7.2 Other than as disclosed to GST no action,  suit or proceeding shall
have been  instituted  or shall have been  threatened  before any court or other
governmental body or by any public authority to restrain, enjoin or prohibit the
transactions  contemplated  herein,  or which  might  subject any of the parties
hereto  or  their  directors  or  officers  to  any  material  liability,  fine,
forfeiture or penalty on the grounds that the transactions  contemplated hereby,
the parties hereto or their directors or officers,  have violated any applicable
law or  regulation or have  otherwise  acted  improperly in connection  with the
transactions contemplated hereby.

         7.3 The  representations  warranties and disclosures made by Castle and
Gillam and GST in this  Agreement  shall be true as though such  representations
warranties and  disclosures  given by each to the other at closing had been made
or  given  on and as of the  Closing  Date,  except  to  the  extent  that  such
representations  warranties  and  disclosures  may  be  untrue  on and as of the
Closing Date because of (1) changes caused by transactions suggested or approved
in writing by Castle and Gillam or (2) events or changes  (which  shall not,  in
the aggregate,  have materially and adversely affected the business,  assets, or
financial  condition of GST or LLCs) occurring or arising after the date of this
Agreement.

         7.4 GST shall  furnish  Castle and Gillam  with a  certified  copy of a
resolution  or  resolutions  duly  adopted  by the  Board of  Directors  of GST,
approving this Agreement and the transactions contemplated by it.






          7.5 GST shall deliver an Agreement  providing  deferred  compensation,
which shall include in part the following:

         (a)      A  portion  of the  purchase consideration  shall be  deferred
until the following  mutually  agreed  gross  revenue projections  for Universal
Syntropy Inc. are attained or surpassed.  These are

           Fiscal Year ended June 30, 2000                    $ 2,000,000

           Fiscal Year ended June 30, 2001                    $ 12,000,000 or

           Cumulatively by the year ended June 30, 2001       $ 14,000,000

         (b) If by the end of the fiscal year ended June 30, 2001 gross revenues
         to that date from the fiscal years 1999,  2000,  and 2001 have attained
         or   surpassed   the   sum  of   $14,000,000   as  a   result   of  the
         commercialization  by  Universal  Syntropy  Inc of the IPR and software
         purchased  from Masstech Inc and/or also  resulting from the sum of the
         share of profits due to GST derived  from  Interest  purchased in Manex
         Entertainment  Ltd,  Manex Visual  Effects LLC, Mass  Illusions LLC and
         Manex Studios LLC or the interests have been sold or otherwise disposed
         of then the remaining common shares (full paid and  non-assessable)  of
         the agreed  purchase price  (deferred until that event) shall be issued
         as follows:

                                             Agreed              Shares
                           Shares            Consideration       Issued
                           Deferred

Masstech Inc.              6,600,000         4,280,000           2,320,000

Dr. Steven C. Gillam       24,200,000        19,360,000          4,840,000

D Andrew Castle            24,200,000        19,360,000          4,840,000

                                  ARTICLE VIII
                           Termination and Abandonment

         8.1   Anything   contained   in   this   Agreement   to  the   contrary
         notwithstanding;  the Agreement may be terminated  and abandoned at any
         time prior to the Closing Date:

         (a)      By mutual consent in writing of Castle and Gillam and GST;

         (b)      By Castle and Gillam,  or GST, if any  condition  set forth in
                  Article  VII  relating  to the other party has not been met or
                  has not been waived;







         (c)      By Castle and  Gillam,  or GST,  if any suit,  action or other
                  proceeding  shall be pending or threatened by the federal or a
                  state government  before any court or governmental  agency, in
                  which it is sought to restrain,  prohibit or otherwise  affect
                  the consummation of the transactions contemplated hereby;

         (d)      By any  party,  if there  is discovered  any  material  error,
                  misstatement or omission in the representations and warranties
                  of another party;

         (e)      By any  party if the  Agreement Closing  Date is not within 30
                  days from the date hereof; or

         (f)      Castle  and  Gillam  shall  have  the  right  to  assign  this
                  agreement to any other entity, at any time, subject to the due
                  diligence terms herein,  provided that it may assign only once
                  at which  time the 30 days  contemplated  in (e)  above  shall
                  begin to run again.

         8.2 Any of the terms or conditions  of this  Agreement may be waived at
any time by the party which is entitled to the benefit thereof,  by action taken
by its Board of  Directors  provided;  however,  that such action shall be taken
only if, in the  judgment  of the Board of  Directors  taking the  action,  such
waiver will not have a materially  adverse effect on the benefits intended under
this Agreement to the party waiving such term or condition.


                                   ARTICLE IX
                        Termination of Representation and
                        Warranties and Certain Agreements

         9.1 The respective representations and warranties of the parties hereto
shall expire with, and be terminated and  extinguished  by  consummation  of the
Agreement;  provided,  however, that the covenants and agreements of the parties
hereto shall survive in accordance with their terms.


                                    ARTICLE X
                                  Miscellaneous

         10.1 This Agreement  embodies the entire agreement between the parties,
and there have been and are no agreements,  representations  or warranties among
the parties other than those set forth herein or those provided for herein.







         10.2 All parties to this Agreement  agree that if it becomes  necessary
or desirable to execute further  instruments or to make such other assurances as
are deemed necessary,  the party requested to do so will use its best efforts to
provide such executed  instruments or do all things necessary or proper to carry
out the purpose of this Agreement.

         10.3  This  Agreement  may be  amended  upon  approval  of the Board of
Directors of each party provided that the shares issuable hereunder shall not be
amended without approval of Castle and Gillam.

         10.4  Any  notices,  requests,  or  other  communications  required  or
permitted  hereunder shall be delivered  personally or sent by overnight courier
service, fees prepaid, addressed as follows:

To Castle and Gillam:
c/o Fox Brooks Marshall (D.A.Castle)
Century House, St. Peter's Square
Manchester,
England

To GS Telecom Limited:
First Floor Hampton House
20 Albert Embankment London, SE1 7TJ

or such other  addresses as shall be furnished in writing by any party,  and any
such notice or  communication  shall be deemed to have been given as of the date
received.

     10.5 No press release or public  statement  will be issued  relating to the
transactions contemplated by this Agreement without prior approval of Castle and
Gillam and GST.  However,  either Castle and Gillam or GST may issue at any time
any press  release or other  public  statement  it believes on the advice of its
counsel it is  obligated to issue to avoid  liability  under the law relating to
disclosures,  but the party issuing such press release or public statement shall
make a reasonable effort to give the other party prior notice of and opportunity
to participate in such release or statement.






     IN WITNESS  WHEREOF,  the parties have set their hands and seals this _____
day of __________________, 1999.

Steven C. Gillam                               GS TELECOM LIMITED



__________________________                  By:_________________________
                                                   Director

David Andrew Castle
__________________________                  Attest:_______________________