A free app for Android, by WORD PUZZLE.

The Brain Boom: Word Brain Games uses word searches to challenge your intellect. These clever word games, which range in difficulty from simple to quite challenging, will kill hours while building vocabulary and exercising your mental capacity. This is a great game, especially for kids for them to learn new words.

To play the game, you will need to read the riddles and spell the hidden words by arranging the word cards in the proper blocks. To solve challenging word searches, use one of four types of hints: remove all ambiguous letters from boggling blocks; expose a letter at random; reveal a letter in a predetermined blank block, or reveal at least three letters. Using tips will help you solve the word riddles.