Exhibit 16.1 N.I. CAMERON INC. Chartered Accountants - -------------------------------------------------------------------------------- 303 - 475 Howe Street, Vancouver, BC CANADA V6C 2B3 Tel: (604) 669-9631 Fax: (604) 669-1848 March 7, 2007 United States Securities and Exchange Commission Washington, D.C. 20549 RE: YzApp International Inc. Dear Sirs: At the request of YzApp International Inc., we have reviewed Item 4.01. Changes in or Disagreements with Certifying Accountants on Accounting and Financial Disclosures of their Form 8-K dated March 7, 2007. We concur with the representations made in the first and second paragraphs therein but do not have any basis for agreeing or disagreeing with paragraphs three or four. Sincerely, /s/ N.I. Cameron Inc. - --------------------- N.I. CAMERON INC. CHARTERED ACCOUNTANTS