Hello
I'm Hoss,
I have a PhD in Engineering and more than 15 years of professional programming experience
I have read the description of your project and have rich experiences for projects like yours.
** I have a lot of experience in android programming and I have done professional programming for many years
** I will deliver the project with the best quality and very fast.
** Until the final delivery of the project and its approval, you will not release any money and if you are not satisfied with the result at the end of the work, I will not take any money from you.
We can talk in more detail in private chat.
thank you