[Android] Trine 2: Complete Story $4.99 (Was $24.99) @ Google Play

I've been playing this on and off co-op with my nephew on Steam and it is a pretty fun action puzzle platformer.

From the store page:

Trine 2: Complete Story is a beautiful, award-winning sidescrolling game of action, puzzles and platforming, now available on Android.

Play as the three Heroes - Amadeus the Wizard, Zoya the Thief, and Pontius the Knight - and join their adventure through dangers untold in a fantastical fairytale world, including physics-based puzzles using fire, water, gravity and magic; wicked goblins and their evil plan; and a magical environment full of wonder.

Trine 2: Complete Story fully integrates the main campaign of Trine 2 with the Goblin Menace expansion and the unlockable Dwarven Caverns level, combining them into one mighty fairytale.

Game Features:
• Three heroes – the Wizard, the Thief and the Knight, each with unique abilities
• Physics-based puzzles with fire, water, gravity and magic
• Plenty of skills and abilities to solve puzzles in different play styles
• Includes the expansion Trine 2: Goblin Menace
• Includes the Dwarven Caverns level, unlocked by collecting secret map pieces
• 20 exciting levels in total, ranging from lush forests to a burning desert, to the insides of a giant sand worm
• 1080p/30fps on Shield, 720p/30fps on Shield Tablet

Note: Trine 2 does not run on Nexus 9 tablets