Add an ability to import and export fh2m maps on Android devices

[ihhub]

Preliminary checks

• [X] I've checked that there aren't other open issues on the same topic.

Describe the problem requiring a solution

Many players express frustration than they cannot copy maps between devices if they use Android device.

Describe the possible solution

We should expand functionality of fh2Toolset to make this happen.

Additional info

No response