Ran the app on my Samsung Proclaim.

1. The copy button didn't work for me.
2. Shows the prices
3. App closes flawlessly back I hit the back button.
4. Closes just like 3.

http://i.imgur.com/2VoyfWz.jpg

My address: 1LY6Xa3FntBmBHxH4R3AK22riAKWgjXyvp

Thanks!