But we couldn't even use this app. There would need to be another app that would support text inserting.
I thought this too, and wondered how it could be in a beta stage when there is no way to input/send text... I did some digging and found out that it is actually a keyboard + messaging app call Fleksy SMS. There is an article about it here
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?