HOW TO GET WORKING CAMERA ON MINECRAFT PE - YouTube
Security Camera for Minecraft - Apps on Google Play
Security Camera Mod Minecraft - Apps on Google Play
Minecraft PE Q&A on Twitter: "I downgraded #mcpe to 0.3.0 to see how cameras looks like, then i updated again to 0.8.1. Here a pic: http://t.co/8z9HtZIYsl" / Twitter
Camera – Official Minecraft Wiki
HIDDEN ITEM in MCPE!!! - 0.14.0 Hidden Camera Feature - Minecraft PE (Pocket Edition) - YouTube
Cameras were added to Minecraft 1.8.0.8 too (How to spawn it) - YouTube