This week in children's apps features Alphabet Adventure!, an interactive exploration of the alphabet including hundreds of images and sounds, and multiple narration voices speaking each letter and word. Also this week is a polar bear snow day adventure, The Snow Ball, designed for preschoolers and early readers. Finally, A Frog Thing tells the story of Frank the frog's repeated attempts to fly. Will he achieve his dreams?

Title: Alphabet Adventure!

Publisher: Mighty Media

Release date: January 5, 2012

Price: $1.99

Background: Players experience the alphabet in a whole new way by interacting with pictures and sounds to deepen engagement.

Features: Upper and lowercase letters change with rotation, over 400 images, alphabetized words to enhance vocabulary, over 200 animal and object sounds, male and female voices speaking each letter and word.

Title: The Snow Ball

Publisher: David Steinberg

Release date: February 1, 2012

Price: $1.99

Background: Fun-loving polar bears celebrate a snow day: based on the picture book, the interactive story and game is designed for preschoolers and early readers.

Features: Read to me or read by myself options.

Title: A Frog Thing

Publisher: Oceanhouse Media

Release date: February 8, 2012

Price: $1.99

Background: Frank wasn't satisfied doing ordinary frog things; he wanted to fly and he was determined to find a way. But while the other frogs laughed at his unsuccessful attempts, Frank kept on flapping. He jumped and ran and leapt and dove... right into a friendly mother bird and her baby. Can the bird family help Frank accomplish his dreams?

Features: Professional narration, background audio, enlarged artwork, individual words highlighted as the story is read. Read to me, read it myself, and auto play modes.