Roku 9.1 is the last Roku version that a number of no-longer-supported Roku models can install and run.
Apple AirPlay and HomeKit support was introduced in Roku 9.4.
Roku Community Streaming Expert I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well. If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X