Thats because they are only on PC (daily, weekly, monthly), you can't get them on the app
free chess is only avaliable on pc , you cant get it on mobile app
Just login with your browser to claim
you cant get it on mobile 
Ok thanks!
great to know. thanks.
Wait, he didn't know but how can he make up so high? ToddmakeMS check this guy!
Mobile app have many missing features.
just install a browser and from there you can do it , the mobile aplication have alot of missing stuff
5 sg for login didn't work on Mobile app too.
Login at browser on your mobile
Just open with browser on your phone
in 3 steps
Choose the game that interests you and play itfor free.
Every game has some quests for which you will receive Soul Gems.
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
You know that on Gamehag you can get real rewards for free, right? Join us, complete walkthrough and get your chest!
I can not find free chests like daily or steam chests. But i can find them in browser(not in app)