Bug_BRouter_the app does not support playing with the position of the phone upright

Expected behavior

I am as a user of BRouter apps hoping to be able to rotate the app screen

Actual behavior

In fact I can not use the Router app with the screen upright position

How to reproduce

• Download BRouter app in f-droid Here
• Install and launch app
• try to tilt your phone
• you will believe that this app does not support playing with the position of the phone upright

• Operating System: Android version 5.1.1 LMY47V

• Application version: 1.4.11

• Github Here

Recording Of The Bug