The Humble Store is an online market for mainly indie games. They sell games for Windows, Mac, Linux and Android with 10 percent of their proceeds going to charity.
Samsung GALAXY Apps is an online mobile app store for Android devices marketed towards Samsung's GALAXY phones.
TegraZone is an online store that sell Android games that are specifically optomized for Tegra powered Android devices.
IndieGameStand is an independent game online retail store for Windows Mac, Linux and Android.
The Amazon Appstore for Android is an online marketplace that caters to Amazon's tablets and phones but is usable by anyone with and Android device.
The Google Play Store is the default app store for every Android device using Google services.
F-Droid is is a free store of Free and Open Source Software (FOSS) applications for the Android platform.
GAMERSGATE is an online game store that sells Windows, Mac, Linux and Android games.
iKOiD is a bundle Android game store in beta that allows it users to vote on what games will be in it's upcoming bundles.Onceout of btya iKOid will be a full fledged game store along with selling bundles.
The Gameloft store is an online mobile game store that sells only Gameloft games.
1Mobile is an alternative Android market that features only free apps and games.