Show newly installed games on top of the apps list

[BrianLima]

An idea that aims to help people finding their games:

• Upon usage, store the list of apps in a local json
• Read the json with the previous list of apps when using the app subsequently
• Compare the old list and the new list, add newly installed apps to the top of the list
• Maybe suggest auto-selecting those, or simply add some color to show emphasis on new apps

Will also help for support, allowing people to quickly send the json and get help locating an app with a missing title.