The built-in webcam turns on automatically when you open certain programs such as Skype or Facebook video, but you may want to access the webcam directly without going through a third-party source.

By using a simple launcher you'll have access to the front-camera and native camera app on your Nexus 7.

Whether you just downloaded Snapchat or have had it for a while, if your camera won't work, you may need to allow access. Here's how to do it.