1. Camera Launcher for Google Nexus 7
The Nexus 7 doesn't ship with a dedicated Camera app which probably has something to do with the fact there is no rear-facing camera on board. If you really want to access those funny effects and take 720p HD video using the 1.2-Megapixel front-facing camera, download this app and you are back in business.
Price: Free | Download Camera Launcher for Nexus 7 Android app
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