Anyone already tested virtual keyboard with tunkable.. it seems not to work - to check value'

Hello, I want my app to use on chrome with a virtual keyboard, but this seems to work because the value in into the inputbox, but when clicking ‘check’-button Thunkable gives the error that there is no value into the inputbox, please test my app with this virtual keyboard:

I use Touch Kiosk Keyboard - Chrome Web Store
and the Smooth Keyboard - Virtual Keyboard - Chrome Web Store

my project: thunkablecompanion

please check my printscreen
thanks to help for a working inputfield for virtual keyboard (because in schools it is needed to teach)