Hey,
Hope you are fine.
I read your project description and saw you need a specialized application for selling mobile phone. I would like to do this project if you accept my proposal. I am expert in Mobile application development and I have developed multiple mobile apps before and have experience with it. I have 9+ years of experienced in Android/IOS(Native, Hybrid) mobile app, I will do my best to make you satisfied with high quality product and i am confident enough on my skills & experience that can make your project more effective.
Please come on chat so we can discuss further.
Feel free to contact me.
Thank you