報告されてそうですが調べても見つかりませんでしたので報告させて頂きます
iPhoneやAndroidの一部キーボードで日本語の漢字入力が出来ません
ローマ字入力の場合は"っ"などが打てません
色をつけるための§でローマ字入力が出来ません
And I'm sorry I had been reported because it is likely to have been reported but looked once bug
You can not have Chinese characters input of Japanese on some keyboard of the iPhone and Android
No typing, even such as "っ" in the case of Roman input
Add color and can not be Japanese input in §