4fly is ok cost price little to high.AR.pro 3 does the same and it's 8.99 plus it has English language and more options.4 fly and ffp pretty close to same video streaming BT the same good quality till flight then slow crappy stream.
Minor bugs fixed
Added 3DR Solo compatibility
Improved virtual reality glasses compatibility
Drone Zones allows drone enthusiasts to find the best places to fly their drone
Find out where drones are flying in your area or worldwide. PlusDrone