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Pricey, movie-themed collection of uninspired mini-games.
Devices: iPhone, iPod Touch, iPad
Immersive science adventure helpful for reinforcing facts.
Cool platform to read, create; has mature themes, purchases.
Devices: iPhone, iPod Touch, iPad, Android, Fire phone, Kindle Fire
Privacy and other concerns abound with live video streams.
Devices: iPhone, iPod Touch, iPad, Android