Pixel Dungeon
Traditional roguelike game with pixel-art graphics and simple interface.
Pixel Dungeon on GooglePlay: https://play.google.com/store/apps/details?id=com.watabou.pixeldungeon
Official web-site: http://pixeldungeon.watabou.ru/
Developer's blog: http://pixeldungeon.tumblr.com/
To build the game you will need my unnamed game library: https://github.com/watabou/PD-classes