K4 Kindle Tanks

Hi everybody!
I've developed Amazon Kindle 5 homebrew game :)
You can play game here: http://tanks.grandgameportal.ru/
To play the game with your Kindle device open this link in its web browser.
Game progress will be saved even if you close the browser.
You receive medals for successfully completed levels which are displayed in game main menu at any time.

Gameplay video: http://www.youtube.com/watch?v=qqdcGPYQ8p8

I will be happy to see your feedback and hope you enjoy it :)

Thanks in advance!