Share My Creation math game

It has been ages that i have developed an application. So created a simple math game as a warm-up drill. There may be a couple more like this coming shortly but once i am familiar with all views and libraries some new good apps will be coming soon and will share them here. Do download and comment.
https://play.google.com/store/apps/details?id=jakes.mathgames&hl=en

Note: the UI will not work properly in small screen size phone.

 

[Star-Dust]

Sorry but the correct address is this: http://play.google.com/store/apps/details?id=jakes.mathgames
The numbers in the dial do not seem to be centered in the circle

 

[msali]

The numbers in the dial do not seem to be centered in the circle

Thanks for the feedback. Will try fixing it.