Sky Island is a free adventure game developed by Playstar for Android devices. The game is set in a mostly empty world, except for a small floating island on a sea. The player starts at Level 1, standing on the island with 10 quests to complete. Upon completing a quest, the player is rewarded and promoted to the next level with new quests and rewards.

As the player progresses through the levels, they are granted new privileges, including Fly and Fast abilities, and the freedom to build whatever they wish. The ultimate goal is to graduate as a Sky Island Master by completing Level 3.

Sky Island's gameplay is simple yet engaging, with stunning visuals that are sure to impress. It's a great game for adventure lovers who enjoy exploring new worlds and completing quests. Overall, Sky Island is a must-try game for anyone looking for an exciting adventure game on their Android device.