A touchscreen keyboard refers to a virtual keyboard that you can use by tapping on the screen of a device like a smartphone or tablet instead of physical keys. Full definition
Not everyone likes having to deal with touchscreen keyboards. (tmonews.com)
Meanwhile, the designers of smart phones seem determined to make touchscreen keyboards the norm before they have been fully perfected. (newscientist.com)
I find touchscreen keyboards to be inconvenient for SMS, email, and text messaging. (goodereader.com)