Exhibit 31.1  CHIEF EXECUTIVE OFFICER CERTIFICATION  I, Douglas B. Thomas, certify that:  1. I have reviewed this annual report on
Form 10-K of Rival Technologies, 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 statement made, in light of the
circumstances under which statements were made, not misleading with respect to
the period covered by this 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 officer(s) 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
report is being prepared;  (b)  Designed such internal
control over financial reporting, or caused such internal control over financial
reporting to be designed under our supervision, to provide reasonable assurance
regarding the reliability of financial reporting and the preparation of
financial statements for external purposes in accordance with generally accepted
accounting principles;  (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 (the small business issuers fourth fiscal quarter in the case of an
annual report) that has materially affected, or is reasonably likely to
materially affect, the small business issuers internal control over financial
reporting; and  5. The small business issuers other
certifying officer(s) 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 small business issuers board of directors
(or persons performing the equivalent function):  (a)  All significant
deficiencies and material weaknesses in the design or operation of internal
control 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:  April 2, 2008
/s/ Douglas B. Thomas
Douglas B. Thomas
Chief Executive Officer