Post [GAME][2.1+] Diamond Drops - Difficult Reflex

Hey guys,
This is one of my first android games, I'm really excited to finally get something into the play store, and I'm looking for critical feedback to make the game tighter and more fun to play!

Description:
Get ready to mine some diamonds!
Diamond Drops is an exciting reaction game for miners and geologists of all ages!
Tap the gems before they reach the end of the mineshaft or you'll lose everything!

FEATURES:
* Beautiful and colorful graphics
* 5 sparkling gemstones to mine
* Unique Gemstones and Cool Animation
* Simple and Challenging Gameplay
* Share your score with friends on Facebook
* Track your high scores

Game Link : https://play.google.com/store/apps/d...s.diamonddrops