Play scrabble - type game offline/online. With your droid.
Words-AI:
Two dictionaries (OSPD,SOWPODS)
Rich settings menu. You can change rules.
-Set time limit
-Set score limit.
- Play russian version of this game: Erudit.
(In Erudit game you may put few words within one turn.)
4 level of difficulty , in easy level AI select most used words. In hard - it can use all dictionary.