How to use Friendica with Twidere

Friendica is a great decentralized social network. For android smartphones there are several clients available. For example there is the Friendica App for Android and Mustard (a StatusNet/Twitter client that can also be used with Friendica). Now it is also possible to run Friendica with in my opinion the best Twitter client for Android available, called Twidere. In this short tutorial you will see, how do it: