It's always a problem finding MoGas for my 100 HP Rotax engine while away from my home field. A few airports list having Mogas but it's often not available anymore or they don't have the Premimum Grade I need...in other words, not up to date and unreliable. How about creating a new section under "Destinations" at AdventurePilot.com?
Pilots can write in the new "MoGas" section under "Destinations", fill out a form about availability of MoGas at an airport or how far away. For example, a common place for traveling pilots to get MoGas in California is Harris Ranch (3O8). Nothing is listed in Airport Information but there is a gas station 50 yards from the aircraft parking and mostly us locals know about it and use it.
Next iFly would use this data to create an additional "M" icon under "Fuel Prices" and "Map Mode & Layers". Enable this "M" icon and an "M" would show on the screen at the airports where someone has filed a report. Tap on that airport and have a place on the Airport Information where you could read the filed reports and decide if you want to walk to that gas station or perhaps an airport car can be used. Subsequent users could confirm the accuracy or change the data if necessary.
With this data base, it would be possible to fly most places in the US and find Mogas.