Folder Organizer allows for changing ICONs, the app name, making folders, etc. etc. but there's a learning curve. However, once you learn the app you can do most anything.
Get a Zagg Screen protector. It'll fit perfectly, does a fantastic job of protecting the screen from scratches and breakage, and has a life-time warranty.
P. S. I'm not affiliated with the product nor the company.
I've been using EasyTether and it works perfectly. I recommended it to a friend and he loves it too. I've got a Mac and he has a Sony. I only use it with a USB cable when tethered. I have no connection to the company.
You wouldn't need it for wifi.