Prestashop 1.6 Repairs

I am looking someone with a good knowledge of Prestashop 1.6 that can understand English well to make the following changes to my website

Desktop Site

1. Keeps logging out of the back office. Rectify problem

2. "My Account" block does not display, it should display in the menu

Mobile Site

3. Menu bar at the top says CATEGORY need to be changed to say MENU

4. Cart not displaying correctly on Mobile, needs to be fixed to work. It does not expand to show the products in the cart. Needs to be fixed