Bass Cat

Bass Cat is an entertaining game designed to help kids and adults learn how to quickly identify notes in the bass clef. This will help to effortlessly improve sight reading skills.
Get the app:

For iPhone: here
For iPad: here
For Mac Computer: here
For Android: here
For Windows 8 (PC and Tablet):here
Read reviews of Bass Cat:

Vera Teschow

Color In My Piano

Crazy Mike's Apps
Watch a video review of Bass Cat:

Bass Cat App

Bass Cat Game