This guide has a prerequisite that your Steam account must be level 10 or higher.
1) Add a favorite game showcase to your profile, choose any game
2) Open up your browser and login into Steam on there
3) Edit your profile and hover your mouse over the game you have set as your favorite game
4) Press F12
5) Navigate to the console tab of the pop-up you just made
6) Paste: FavoriteGameShowcaseOnGameChange( this.parentNode, 6, 0, {appid: 1151390})
7) Hit enter, you should see Putin Life as your favorite game now
8) Save and you're done