you yourself will update the app on play store ? and you need my assistance for that. and you want to get payment gateway integrated on this app.
if the work is just this much which you have written then, it can be done in 2 days.
About Me:
I am expertise in Mobile Application development and have more than 8 year of experience,
Worked in :- Android Native,Kotlin, Swift, IONIC Framework, React Native,Firebase.
Mobile App :- Cricawaaz, 2degrees,Hapcard, MyCanvas, Route Finder, Studydunes Helping Hand,My Music,My Movies,GRUPIO,Pocket Toons,MagiMoji, Emojis of Magic,Animal game for toddlers,Photo Mirror,Animal Book,Doodle Food Expedition.
Note: These apps (My Music And My Movies) are Inbuilt on Samsung Duos and new 7 inch Tab.
IOS APP:-Dadj, TapOff
IONIC Framework app:- AVM DEPT Connect,
React Native Apps :-PMP Mock