Is there an OMNI app?

I'm curious, could you please clarify if there exists an OMNI app? I've been hearing about its potential to streamline transactions and provide access to various digital assets, but I'm not sure if it's available as a mobile application. If it is, could you elaborate on its key features and benefits for users? Also, is it compatible with multiple devices and operating systems? I'm eager to learn more about this innovative platform.