A free program for Android, by Pinatsu Studio.

Photo Master is a small but powerful photo editing application for Android phones. If you know photography, you can do a lot with this app. Now, use this app to edit photos on your mobile phone, just like on a PC.You can create unique collages with numerous styles of background, text, sticker, and frame. Just select some images you love, and you can quickly put them in a perfect layout, add numerous styles of background, text, sticker, and frame to make your pics art, creating unique and awesome collages of your own. You can change the brightness, contrast, and warmth, crop photos freely, filter the pictures by quality, and change the style of the filters.