The application may use Flutter packages that are a) published
               on pub.dev;
               b) have broad applicability (e.g. not written solely for the
               purpose of circumventing the 5KB file limit, in the opinion
               of the judges).

Contest rules:

Full details and rules in our
               Official Rules.
               But here’s a quick summary of some of the key points:

All work must be that of the contest entrant.

Only one submission per entrant.

Do not submit a project that already existed before the
               announcement of this contest.

Entries may not be submitted by any person who is a minor at the
               time of entry.

Google employees and contractors, contest judges, and members of
               their immediate families are not eligible to enter.