Company Blue Castle Studios created these great apps:
SplitX, Galaxy Shooter X, Little Minds Learning, Word Search Smash, Flash Cards for Little Minds, Super Fun Puzzles, Super Fun Sudoku, Dots Smash, Australia Citizenship PrepTest, US Citizenship Prep Test, Canada Citizenship Prep Test, Countries Quiz Trivia, Maths Quiz Trivia, Space Quiz Trivia, Computers Quiz, Abacus Mental Maths, Spelling Test Quiz, SAT Vocabulary Test Prep, and others..