I play Go. Tsumego Pro is a nice app for quick, short-term life and death problems with a range of difficulty. If you are new to go, check out http://playgo.t

I play Go. Tsumego Pro is a nice app for quick, short-term life and death problems with a range of difficulty. If you are new to go, check out http://playgo.to/iwtg/en/ http://playgo.to/iwtg/en/ -- it's a solid introduction to the game.