Android device graphics problem !!!

Hello everyone
I am developing game same like coin dozer but i am facing some graphic issue when i am running it on Google nexsus 7 . See the below image specially the chips and coins are together and they are not looking good. So can anybody please help me to come-out from this problem ?

Thanks in advance.
Yashesh

[15767-screen+shot+2013-09-24+at+11.42.21+am.png|15767]

Looks like a depth sorting issue cause by not enough resolution for the depth buffer. Try reducing the far clip plane of your camera to be smaller and the near clip plane to be larger. There are also settings for the depth buffer size on Droid: you could try specifying 24 bit.

[15769-screen+shot+2013-09-24+at+14.24.56.png|15769]