Advise to build "Keyboard Layout" on SmartPhone in Meteor!

I would like to build Khmer Keyboard on Mobile Phone in Meteor JS.
Please advise and helping.

Hi! Have you found a solution for your keyboard layout?

Not yet, could you help me.
I am Cambodia, I would like to try to build Khmer Keyboard Layout.

I have the same problem and I am searching for solution now. If I have any updates I will tell you.