And I thought they just did puzzles – Sticker Doodle Yoodle - Kids Create their own Doodles with a Book of Fun and Silly Stickers Review

I've been buying this company's puzzle apps for the past two years; my grandchildren can't get enough of them. And now they've done for doodling what they did for puzzle-making: made it immensely fun and entertaining.
Review by phdublin on Sticker Doodle Yoodle - Kids Create their own Doodles with a Book of Fun and Silly Stickers.