Mark Bond, an Android Developer from the U.K sent this along..." This app allows you to scare an unexpected victim and record the “evidence” using the device's front facing camera (if available). While there are many “scare your friends” prank apps on the market, this is the first that allows the user to record the footage (and share with their friends via Facebook and Twitter)."
I installed the ScareApp Pro version (sent along for me to review) and have one glitch: I can't save the video on my Verizon Droid Razr, 2.3.6 software version. (Mark is looking into this.) Otherwise, the app is fun to use. You load it, then find a suitable victim to play the prank on.
Other Scare Apps are available, but being able to make your victim squirm as you post their reaction to Facebook and points social is a definite plus.
Here are some others to keep you busy: