> For the complete documentation index, see [llms.txt](https://gmlayer.gitbook.io/english-1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gmlayer.gitbook.io/english-1/dapp/contract-booking.md).

# Contract Booking

GMLayer's preset contracts are equipped with game-specific features that simplify integration with the zkEVM platform. We encourage you to take a closer look at our Web3 GMLayer.

You to learn more about the features provided by our ERC721 predefined contracts, which have been carefully designed to improve the efficiency of game development on our platform.