It's very easy to use any service in a mobile application. Do you have any mobile app for ios or android users? if you have can i have the link to that?
Fyfy Pay is an interoperable web plugin, extension, and software module that allows instant, safe, and low-cost transfers between Fyfy Wallets or other cryptocurrency wallets in the Solana network.
Merchant plugins allows API integration between websites, apps, and services. This establishes seamless transactions between client and platform.
Both are at MVP stage and below for you to test. For now Fyfy Pay is available only as Android version. IOS version available later. GitHub source codes available from the link below.
https://github.com/fyfylabs/fyfy-mobile-wallet