You also need every company to develop for a third mobile platform, where two different ones are already a big ask.
Easy solution would be to run existing apps on Linux, probably would be Android.
Another solution would we move to PWAs to have apps in the browser.
Both these things already happened on desktop Linux with Windows games using Proton and most proprietary desktop apps switching to Electron.
You also need every company to develop for a third mobile platform, where two different ones are already a big ask.
Easy solution would be to run existing apps on Linux, probably would be Android.
Another solution would we move to PWAs to have apps in the browser.
Both these things already happened on desktop Linux with Windows games using Proton and most proprietary desktop apps switching to Electron.