Package ID: uk.co.aifactory.chessfree
Chess Free is the best free Chess game on Android! and is currently the highest rated free chess on Android (at time of writing), from the 30 free chess programs listed.

Featuring:
1. 10 play levels (Novice->Expert)
This uses intelligent weakening for lower levels. Good for beginners.
2. Uses Treebeard Chess engine.

Operating System: Android Eclair (2.1)+