WordStar

The best wordgame for android period. Play it and you be the judge.

Features:
Tiles which rotate and change letters
Timer tiles which should be used before its time expires
Wild card tiles which can be used as any letter
Red tiles which give bonus time
Green tiles which give bonus points
Worldwide leaderboards.
200000 words

It has got 3 different modes to play:

Time Mode

Classic Mode

Infinite Mode