Slicer can be run and accessed from the cloud or from a remote desktop solution. You can find descriptions on hot to run it from AWS, for example. You may even be able to access these from a web browser.
A few links (some may be outdated but still may give a hint)
Porting Slicer to ARM64 is under way, but going one step even further and compiling it for a mobile OS is a totally different league. Not easily doable at all, but it of course depends on the resources
A few pages that may give you a hint on this topic:
Edit: there is a VTK repo for Android, that may come handy too:
