The Windows Phone Store is definitely not lacking with respects to photography apps. We are fortunate enough to have plenty of quality choices to help meet our photography needs. Imagine Cam is one of the more recent additions to the photography aisle in the Windows Phone Store.
Imagine Cam is one of the more simple camera alternatives available and has an equally simple photo editor to add a little something-something to your images. There's room for improvement but if you're looking for simplicity, take a look at Imagine Cam for Windows Phone 8.