Not a game as such, but a way to create and store collections of mobile games, to share with friends and the world.
http://playboard.me
I did a collection of Wargames Worth Considering for the Android.
(https://www.grogheads.com/forums/proxy.php?request=http%3A%2F%2Fplayboard.me%2Fchannel%2F51e59c134368c39d50000049%2Fimage.png%3Fapps%3D15&hash=ac7c00229b763b77c53bcb05ca77826d30b0a1e3) (http://playboard.me/channel/51e59c134368c39d50000049)
Admittedly including the likes of 'Go' is a bit tenuous, but for the most part I've just selected the wargames I like and have installed on my tablet.