Pop-up Keyboard in Photon?

I have a need for a pop-up minimal keyboard (just letters and
numbers) for pop-up password entry on a system with
a touchscreen and no keyboard.

I’m sure that such a thing has been created before - can I obtain a

Jeff Maass jmaass@columbus.rr.com Located near Columbus Ohio
USPSA # L-1192 NROI/CRO Amateur Radio K8ND
Maass’ IPSC Resources Page: http://home.columbus.rr.com/jmaass