I just uploaded Memory Master (a game we developed) to AndroidPit. Please give it a try and let us know what you think. It's a free game on Google Play and although it's been out for awhile now we just added a major update (v1.5) that adds a theme store to the game. You can not get 4 new themes just buy playing the game and earning achievement points. You can also just get it on paypal if you want the themes right away.
Please rate Memory Master and help us get noticed
Or check out my Developers page right here on AndroidPIT