Many approach charts are available for free and linked to by other apps as well. It would already be a great feature to link to those free charts from within the app. :) Maybe you could add something as a 'chart-link-build feature' so the community can help building the database with links? This 'ch...

When 'VIA' points are added on the initial flightplan page (other than VRP's or aerodromes), the manually given names are not carried over in to the rest of the flightplan construction pages nor in OFP. Names remain 'A', 'B', 'C', etc..

*BUMP*
It would be nice to add that data layer too
The data is freely available at http://www.openaip.net