I want attractive UI for my Android application - All Document Reader

Hello I want attractive and professional application design for my application,
I want all screens UI, icons, app icon and in the end screens for play store

The concept of my application that user can open following files
1.excel
2.pdf
3.ppt
4.doc
5.txt

And must have these options

1.Can find text in file when open
2.can share file
3.can delete file
4.file information
5.favorate option
6.recent files
7.In app purchase
8. Admob Ads

If you want any recommendation for UI you can search (' All document reader') on play store and you can find all these features also on application.
Time Line: Maximum 3 Days