react native app modify and add features and change ui

i have react native mobile ecommerce app single vendor -- want to add more features where home page of the app is already dynamic coming from admin 1) add arabic language RTL and make screens in RTL display also , not by adding [login to view URL] it is dynamic comes from database with language id, and in future i can add more language too, not hard code. 2) add Notification icons in upper right corner and add notification module, which will display all notifications sent to app and link them to target 3) in add address and manage address google map integration he can choose address from map and add and manage 4) add splash screen in .gif when mobile app starts 5) on checkout , when m selecting address it not selecting its givin error add address, though address is already there 6) change UI of the mobile app, make it more user friendly and more attractive like font, color, image representations, change product page proper image representations on home page and product page. 7) Sign up and sign in via gmail and apple id and OTP 8) in shipping pick up from store it should give which store to pickup , api i will provide 9) in home page have to do vertical scrolling of 2 modules , currently as all are coming in horizontal scrolling 9) Bulk push notifications with image and without image have to send on mobile. 10)help in deploying app on playstore and apple store 11) Pull to refresh on home page and other pages 12) Bottom menu not coming on all pages only coming in some page. 13) i have already done some UI changes on home page and have generated apk for android but ios have not touched so u need to do that. also 14) product share button on product pages 15) share app, facebook , instagram, whatsapp, links to add in settings page 16) on exit app it should ask are u sure to exit 15) support Backend is already there API are all ready