How it works
How to practise a word from its page
Every word page has a Practise button that opens the word's list in the practice game. Test mode then shows each character with four answers to choose from.
What you see at the end: Test mode, four choices (none picked)
Step by step
Open a word page, for example 我.
Press Practise.
You see: Practice opened from the word page
Desktop 
Phone Open test mode.
You see: Test mode, four choices (none picked)
Desktop Phone