zxretrosoft (Tingkat 14) 2018-02-20
I'm sorry, I can not speak English well. It is really easy. Click on the blue arrow and move the arrow on the keyboard. Some arrows can only right, only left etc. Please look at Youtube: https://www.youtube.com/playlist?list=PLCV2q-97PzzxS7Bb-xfqEzQ3NRKcnVIzQ