Google Play says my phone is not compatible

I have a Samsung Galaxy Y S5360 android 2.3.6 kernel 2.6.35.7What's incompatible?

I'm having the same problem here, and I have used Airdroid in this phone before.
I'm getting this message from Google Play: "This app is incompatible with your Boost Mobile Samsung SPH-M820-BST"
My phone is a Samsung Prevail. Android version: 2.3.6. Kernel version 2.6.35.7

same here! :/