F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.
Cydia - An alternative app store for jailbroken devices.
Amazon Appstore - The Amazon Appstore is a place to purchase and download apps for your Android device.
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
1Mobile Market - 1Mobile Market is one of the newest apps and games places where the exclusive download of games and apps is accessible.
JazzMyApp - Let JazzMyApp surprise you with amazing apps everyday. Try it out yourself.