Jewels of King is the popular and classic gem swap type game.
Connect three or more jewels in a row to earn more points.
This app is basically the similar game as jewel match 3 games. If you enjoy jewel matching games, this is a great example of one on iOS.
How to play Jewels of King:
1: Match the jewels until the bottom board,the Jewels star will appear.
2: Match 3 or more identical jewels.
3: Make the jewels star down to last line to pass the level.