It looks like Apple has hidden a one handed keyboard in their iOS software, this was recently discovered by developer Steve Troughton-Smith.
They new hidden keyboard was discovered in Apple’s Xcode and this can be seen in the video below which was posted on Twitter.
Video or it didn’t happen: (very hard to engage in the Simulator with a mouse cursor) pic.twitter.com/vw2wpCgiLJ
— Steve T-S (@stroughtonsmith) October 19, 2016
It is not clear as yet on whether this is something that Apple may introduce in the future, as soon as we get some more details, we will let you guys know.