How do I add a number row to AOSP keyboard? : r/LineageOS
Simple Keyboard is an actively developed, open source fork of the AOSP Keyboard for those looking for a less bloated, more responsive, basic keyboard with minimal permissions : r/Android
Top 7 Android Keyboards with a Number Row
How to change your keyboard mode on Microsoft SwiftKey for Android – SwiftKey Support
Add keyboard in another language - Android Marshmallow - gonnalearn.com
Android keyboard puts tab bar on top - Stack Overflow
The 7 Best Android Keyboards You Can Download
How do I add a number row to AOSP keyboard? : r/LineageOS