Using a keyboard in TomTom Go Navigation for Android 2.2.3

I was testing a normal keyboard with the TomTom Go Navigation app for Android.
It is possible to use the keyboard but not all options are working.
This is a summary of what I figured out during this test;
Arrow Up, Arrow Down and TAB key navigate between options. For example, View – Sound - Menu – Search in the main screen.
Arrow left and Arrow right navigate between options on the same line or between typed text.
Enter key, Space (the 5 between Arrow left and Arrow right with Num Lock off) – Open selected function.
Main Menu I can use the keyboard
Search – keyboard works fine
Drive Home, Drive to work – keyboard works but difficult to navigate
Current Route/Track – Main menu work submenus like Avoid part of Route same problem as My Routes.
Resend Destinations, My Places and My Routes menu - keyboard can’t be used for selecting places and routes.
Parking lot, Gas Stations – Works but default focus is set wrong to the back option.
TomTom Services - I can change the settings but the selected options is not highlighted (Highlight works in the settings and TomTom Labs menu)
Settings, TomTom Labs and About - keyboard works fine
Menu edit – unable to select this option.
Is it possible to fully integrate keyboard support in this app? Especially the + and – key to zoom like some other navigation apps. This way I can use the controller on my handlebar to zoom and select options. This will be easier than using the screen with all options so close together.
Comments
Sorry about my late reply, I'll log this as a feature request for my team but not sure if it'll be considered any time soon.
Regards, lampard