Bug hunting android-simple-text-editor : can not write with handwriting

Expected behavior

It should be here Can write in handwriting

Actual behavior

The fact can not write with handwriting

How to reproduce

• Download editor app in f-droid here
• Install and launch app
• press the pencil button
• and write something on the phone screen
• Device used: Xiaomi redmi 3 RAM 2.00 GB

• Operating System: Android version 5.1.1 LMY47V

• Application version: 1.20

• Github

Recording Of The Bug

This is proof that other apps can write in handwriting