I need to modify my IPTV application

Hello, 1. I have an application Android .apk that one of my IPTV providers has provided me, he has already put my logos and custom images I would like my customers to just put username and password instead that my clients have to fill 4 fields Any name Username Password Server Url I want my client just to put Username Password The other two fields must be hidden and the url hard-coded 2. I must be able to choose the hard-coded url in a panel because as I have different IPTV server I have to be able to choose the url for each client according to the server that he is buying 3. I must also choose in the panel the link trial and subscription button because depending on the access to the server purchased it must be directed to a different site, if he bought the access to the server 1 I must can provide the application with the dns hard-coded corespond to the server 1, trial and subscription button must direct to the server site 1 If a customer purchases an access to the server 2 I must be able to provide the application with the dns hard-coded corespond to the server 2, trial and subscription button must direct to the site of the server 2 I would like to know the price for the different modifications I want Price to make the change 1 Price to make the change 2 Price to make the change 3 Attached is an image of my current application image 1, and the result I want image 2