What are some alternatives?
When comparing Frozen Bubble and Bubble Witch Saga, you can also consider the following products
Angry Birds POP - Angry Birds meets bubble shooter, use your slingshot to match and burst colorful bubbles.
Bubble Shooter Mania HD - Bubble Shooter Mania HD is a Colorful simple game.
the Wiki Game - Explore & Race Through Wikipedia Articles
WIKIPATHS - WikiPaths is a hyperlink scavenger hunt game played on Wikipedia.org
Botanicula - Botanicula is a point-and-click adventure game developed by Amanita Design.
WikiQuiz - Generate quizzes from Wikipedia articles.