Γράψτε μια εφαρμογή Android

hello, i can do this for you. i have some questions about your project. Let's chat to proceed.

A proposal has not yet been provided

Hello, I saw your post and I am interested in the project. There will be just one page where you will be able to add numbers and at the top you will see the average of this numbers. Is this sufficient ?

it's my start and this is my first project , So i will try to give my 101%. and I will try to design the best UI for your project.