Add radical help screen content

Julien LepillerSun Jun 07 00:49:57+0200 2020

3e16433

nani/app/furiganatextview/src/androidTest/java
namelast commitdate
eu/Switch to AndroidXSat Apr 25 23:54:54+0200 2020
se/Add furiganaMon Apr 15 20:09:48+0200 2019