React Native Barcode Scanner app - add new functions and ongoing development.

we want to add several configuration options and functions to ou react native hybrid Scanner App and have long term ongoing development. We will provide the existing fully working source code to add the functionality and make the requested improvements. Priority now is time! We will prefer devs. that can give us a 2-4 day delivery period. Details here [login to view URL] 1) Change opening app page from current scanner function to a screen with 4 buttons as follows a. MedScanner – opens existing barcode scanning screen b. Checkin – new function for employee arrival confirmation c. Linha FoneClube – will show web page [login to view URL] or send USSD code d. Med dia Feliz – just create button no functionality as of yet 2) Configuration page - add options for User Id and output type (txt or json) 3) Create "Check-in" function -> verify location services are on and share geolocal 4) Create "Linha FoneClube" – when user clicks this button you will show in the app the site [login to view URL] or if there is no 3g/4g send a USSD code. Improve -> add flashlight icon on top of scan page, keep screen on always when scanning, if we try to send geolocation and location services is off, ask permission and turn them on to send location, send less accurate location without gps (use mobile antenas and wifi etc). Please send android test and iOS also which should be created on Devs own account. we will create 3 milestones 30% delivery of 1st Beta with corrections and added features 30% delivery of correction of Beta 40% delivery of source code and approval by proj. manager