Royal Treasure is a free puzzle game developed by Gems Candy Candy for Android devices. In this game, you take on the role of a pirate captain on a mission to hunt for legendary treasure. Along the way, you will trade goods, rob merchants, and battle the royal navy, other pirates, ghost ships, and giant sea monsters. The game's main objective is to blast and crush gem jewel treasures to solve level puzzles. The more jewels you collapse, the more special features you can unlock, and the better boosters you can get.

To play, you must swap at least two or more nearby adjacent gems of the same type to blast them. The goal is to blast as many diamonds as possible to complete the levels. You can also choose from special boosters to help you solve the puzzles in no time. The game features exciting events that reward players for different achievements.

Overall, Royal Treasure is a fun and addictive puzzle game that combines pirate adventure with jewel blasting. The graphics are colorful and engaging, and the gameplay is challenging yet enjoyable. If you're a fan of puzzle games and pirate adventures, then Royal Treasure is definitely worth checking out.