Company Tinkering Inc created these great apps:
Feel My Cap - Add funny captions to your photos using your facial expressions and share with your friends, Kiss My Pic - Add cute love stickers to your photos with just a kiss, Pic and Smile - Add fun wallpapers and stickers to your photos by just smiling, Blinkcam - Take photos by blinking, KissaGram, Don't Blink - The Staring Contest Game, SayWhat!?, and others..
