Here are a few ideas:
Rotate feature that allows the user to rotate any country on screen.
Multiple projection feature that allows the user to select what type of projection. For example the user can select Mercator Projection, Winkel Tripel Projection, etc.
Multiple countries feature that allows the user to have more than 2 countries on screen
More options for things that can be selected. Here are a few:
The World
The 5 Oceans
Oceania Continent
Zealandia/Drowned New Zealand Continent
The World + Oceans
All Provinces/Regions/States from All Countries
Here are a few ideas: Rotate feature that allows the user to rotate any country on screen. Multiple projection feature that allows the user to select what type of projection. For example the user can select Mercator Projection, Winkel Tripel Projection, etc. Multiple countries feature that allows the user to have more than 2 countries on screen More options for things that can be selected. Here are a few: The World The 5 Oceans Oceania Continent Zealandia/Drowned New Zealand Continent The World + Oceans All Provinces/Regions/States from All Countries