This week in children's apps features the latest adventure starring Wiggens--this time he visits the San Diego Zoo. Also this week is Nothing Ever Happens at the South Pole, which follows a young penguin's search in Antarctica. Finally, the SCRABBLE Dictionary gives players a leg up in the game.

Title: Wiggens Makes Friends at the San Diego Zoo

Publisher: Skyreader Media

Release date: August 28, 2012

Price: $3.99

Background: The next adventure starring Wiggens, the chocolate labrador puppy, in which he visits the San Diego Zoo and performs tasks such as feeding and treating the animals.

Features: Interactive features on each page let you build the story as you go, feed the animals and learn what each animal likes to eat, and explore and discover facts about the animals.

Title: Nothing Ever Happens at the South Pole

Publisher: Oceanhouse Media

Release date: August 28, 2012

Price: $2.99

Background: When an eager young penguin searches for adventure in the South Pole, he can't seem to find any excitement. No wild animals, no giant snowballs, and no hungry whales. Could it be he's just not looking closely enough? Players join him on his journey to see if they can find anything he might be missing.

Features: Words zoom up and are spoken when pictures are touched, professional audio narration, read to me, read it myself, and auto play modes.

Title: SCRABBLE Dictionary

Publisher: Merriam-Webster

Release date: August 21, 2012

Price: $4.99

Background: This dictionary for playing SCRABBLE is an enhanced version of the book by Merriam-Webster.

Features: More than 100,000 words, word finder, voice search, favorites, and recent history.