Very Useful Mobile Tracking (See below for suggestions)
I will say I have been using this App for 3+ years, and I have recently just gotten a subscription. I do have suggestions for improvement starting with model variety, in specific for General Aviation and Helicopters.
I do believe the model variety is very well put together for the 3D view, especially because of the most recent update implementing Infinite Flight Models(Well Done!). I came up with an idea that for helicopters, All of the helicopters in 3-D view are EC-135s, though I’ve observed on particular models like the Bell 407(B407), EC-130(EC30), Bell 412, EC-145(EC45) have their models on display on their previews, which I would like to see these models being used for their own 3-D view. There could also be more additions to expand the model pool like MD500(H500) and others.
Another idea in mind, is the opportunity to allow the Aviation community to make liveries for specific aircraft, which must be approved by both the owner and the development team. This way, the model variety can stand out much further especially for popular tracked aircraft like YouTubers and any individual aircraft. (Examples; Bell 407(Med-Trans), JA789A ANA 777(BB-8 Livery), Custom private owned 3D Cessna 172)