A "keyboard app" refers to a software application on a device such as a smartphone or computer that enables users to input text by typing on a virtual keyboard displayed on the screen instead of a physical keyboard. Full definition
Android Wear 2.0 will offer its own native keyboard, but it's also allowing third - party keyboard apps for you to choose from. (pocket-lint.com)
The new OS offers new input methods in the form of a keyboard (you can even install third - party keyboard apps), handwriting recognition, and emoji. (androidcentral.com)
My productivity apps break down into a set of keyboard apps and digital - ink apps. (carrypad.com)