First of all you need to learn all the letters. This is easy. It takes not much time.
Then you can make the tests.
The first one is asking you about the ABC letters.
In the second test, you have to spell some words with the sign language alphabet.
It could be very helpful to know this signs in real life.
This is the fastest way to learn this alphabet. Check it out.
Supported languages: English and german
Download it now for free!