Removed unused include
Created appSettings for loading and saving settings

Just call setValue and getValue
Helvetica, Helvetica everywhere
Register SettingsHelper (appSettings) as QML component
Display username

Display the player username instead of “History”.
Label the wallpapers, SettingsHelper, UI fixes

Added labels to the wallpapers.

Included the new SettingsHelper to load and save the settings.

Added labels to the wallpapers since it looks better