How to get mobile native keyboard input with Playmaker action?

[playmakertester]

Hi,

Im tying to make game like this.
https://play.google.com/store/apps/details?id=com.unconditionalgames.typerace&hl=ja&gl=US
Can I ask how to show up mobile os native keyboard while playing games.
and listen keyboard input and send key board input to in game FSM?

Best,