Gameworld Master is a free iPhone game developed by ZPLAY HK TECHNOLOGY CO. LIMITED. In this game, you become the owner of your own game world where you collect people and let them participate in the game to earn money and expand your world.

The game is easy to learn and play, with simple controls and colorful graphics. You start by creating your world and adding different attractions to it. You then attract people to your world by advertising and completing quests. The more people you attract, the more money you earn, which you can use to expand your world and add more attractions.

Overall, Gameworld Master is a fun and engaging game for those who enjoy simulation and strategy games. It's free to play with in-app purchases available for those who want to progress faster. The game is regularly updated with new features and content, making it a game that you can keep coming back to.