‘Shake It Share It’ is a handy pictures app to surprise you with your random pictures in your camera roll.
It uses a normal distribution randomising algorithm to surprise you with pictures in your camera roll.
And why not share your suprise on facebook with this app?

How to:

Auto mode: Your pictures will be randomly selected after a delay of ‘n’ milli seconds which you can change using the swttings page

Manual mode: Shake your phone to randomly select your pictures

Use settings page to configure your auto mode delay in ms (1000 ms= 1 sec)

To share on facebook, ensure you have paused if in auto mode, then select picture to share using ‘Back’ and ‘Next’

You can get it either by searching it in the market place or downloading it directly using link below