Hello, how are you?
I'm a senior web and hybrid app developer and I have rich experience in PhoneGap, Cordova, Ionic 3/4, Php, Redis development.
I have developed taxi booking app using PhoneGap, so I'm familiar with location tracking using GPS and Google Map.
Can you tell me what you want in detail?
I will give you perfect result as you want with high speed.
Best regards, Peng.