Its a great concept, but you can't draw, then drag the map and then continue drawing where you left off.
Change the application icon and buttons icon
Fixed orientation of the screen when editing
Add routes Drawing(car icon=car route:walk icon=calking route)
Add a function of change the position of the window by dragging
Add a splash at startup
Add exit confirmation dialog
Text Color (pen icon) and text background color (it looks like a bucket and brush icon) moved into the Settings icon