Install Keyman for your mobile device/tablet from the App/Play Store

App Store: Keyman for iOS

Play Store: Keyman for Android

LSD keyboard for iOS and Android json js

Install Keyman for your PC or Mac from Keyman.com. PC Mac

Desktop keyboard: LSD keyboard for Desktops (Mac and PC)

KeymanWeb Sample 1

Test 3CX chat features on this website also