Android app development

App must be well designed - https://play.google.com/store/apps/details?id=com.magic.whatsapp.status.saver.download

App must be well optimized for speed, reliability etc.
To be done in Kotlin - Advice on technologies to be used is of importance.
App must be well documented

Features

1. WA Status, WA Business Status and GBWAStatus Saver
2. Direct Chat
3. Recover Deleted Messages
4. Split Long Video

- Multi Save, Delete, Repost/Share
- Easy repost/share without saving
- Easy saving
- Built in image and video viewer
- Should be small size and lightweight

How to Use
Rate Us
- Show popup with rating stars; if rating is less than 4, redirect to email and if the rating is 4 or 5 redirect to PlayStore Rating.
Share App
- Share to emails, socials and contacts
Privacy Policy
More Apps

Settings
- New notification status
- Automatically save status
- Save status in a folder

Advise on where to put ads for Admob.

NOTE: No downloads from third parties. I need an a[p developed from scratch
NOTE: If the app is delivered on time and working effectively, I will have more projects for you.