Another award winning app which just might be worth the money.
"Numbers
Be creative and embrace the playfulness of numbers. From counting to multiplying, become the master of numbers - big or small, even or odd. As you play, pop bubbles, unleash lightning and release tornadoes to save beautiful fishes.
Discover Numbers
Tangram
Arrange tangible puzzle pieces into matching on-screen shapes. Play with a friend or challenge yourself to more advanced levels as your handy-work lights up with each victory.
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Words
Be the first to guess and spell out the on-screen hidden word by tossing down real-life letters faster than your friends. A related picture gives the clue.
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Newton
Use your creative noggin and inventive objects like a hand-drawn basket, grandma's glasses, dad's keys, or anything around you to guide falling on-screen balls into targeted zones.
Discover Newton
Masterpiece
Supercharge your drawing skills with Masterpiece! Pick any image from the camera, curated gallery, or integrated web search and Masterpiece will transform it into easy-to-follow lines and help you draw it to perfection. You can then share a magical time-lapse video of your creation with your friends and family."