Exhibit 31.1

CERTIFICATION PURSUANT TO RULE 13A-14 OR 15D-14 OF THE SECURITIES EXCHANGE ACT
OF 1934, AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Patrick Soon-Hock Lim, certify that:

1.   I have reviewed  this  quarterly  report on Form 10-QSB of Secured  Digital
     Applications, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement of
     a material  fact or omit to state a  material  fact  necessary  to make the
     statements made, in light of the circumstances  under which such statements
     were made,  not  misleading  with  respect  to the  period  covered by this
     quarterly report;

3.   Based on my  knowledge,  the  financial  statements,  and  other  financial
     information  included  in  this  report,  fairly  present  in all  material
     respects the financial  condition,  results of operations and cash flows of
     the small  business  issuer as of, and for,  the periods  presented in this
     report.

4.   The small business issuer's other certifying officers and I are responsible
     for  establishing  and maintaining  disclosure  controls and procedures (as
     defined  in  Exchange  Act Rules  13a-15(e)  and  15d-15(e))  for the small
     business issuer and have:

         a)   Designed such disclosure controls and procedures, or caused such
              disclosure controls and procedures to be designed under our
              supervision, to ensure that material information relating to the
              small business issuer, including its consolidated subsidiaries, is
              made known to us by others within those entities, particularly
              during the period in which this quarterly report is being
              prepared;

         b)   [Paragraph omitted in accordance with SEC transition instructions
              contained in SEC Release 34-47986];

         c)   Evaluated the effectiveness of the small business issuer's
              disclosure controls and procedures and presented in this report
              our conclusions about the effectiveness of the disclosure controls
              and procedures, as of the end of the period covered by this report
              based on such evaluation; and

         d)   Disclosed in this report any change in the small business issuer's
              internal control over financial reporting that occurred during the
              small business issuer's most recent fiscal quarter that has
              materially affected, or is reasonably likely to materially affect,
              the small business issuers internal control over financial
              reporting; and

5.   The small business issuer's other certifying officers and I have disclosed,
     based on our most recent  evaluation  of internal  control  over  financial
     reporting,  to the small business issuer's auditors and the audit committee
     of  registrant's  board of directors (or persons  performing the equivalent
     function):

            a) All significant deficiencies and material weaknesses in the
              design or operation of internal controls over financial reporting
              which are reasonably likely to adversely affect the small business
              issuer's ability to record, process, summarize and report
              financial information; and

            b) Any fraud, whether or not material, that involves management or
              other employees who have a significant role in the small business
              issuer's internal control over financial reporting.

Date:  May 14, 2004
                              /s/  Patrick Soon-Hock Lim
                              --------------------------
                              Patrick Soon-Hock Lim
                              Chief Executive Officer