The answer from the first link was provided 15 days ago. Infinity focus is fine for your application.
The multi color thing would certainly benefit you but your use case doesn't represent the use case of other users very well. If you would like us to implement features specifically for your use case we can send you a quote for the engineering time.
We do not add settings or controls to Map Pilot without it being something we feel would benefit a large portion of our users. Between the autofocus and infinity focus settings all cases for your aircraft are covered.
We absolutely do not want people switching apps in the air. Doing so tends to make aircraft disappear and one of our main goals is to not do that.
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