

Skill is (almost) a linear function of time spent.
Want to get better at something ? Just do it more. Learning about it can increase the factor, but it won’t actually increase skill directly.
« C’est en forgeant qu’on devient forgeron »
( It is by smithing that one becomes a smith. French proverb )
And be careful with wallpapers, apps can get accent colors from your wallpaper, which are completely unique unless you use the default black one.