I'm interested in a device like this for my sight impaired older relatives. They struggle with smartphones and would benefit from a single purpose device with b

I'm interested in a device like this for my sight impaired older relatives. They struggle with smartphones and would benefit from a single purpose device with big obvious UI elements. Not sure they are the target demographic for the R1 but I can see v3 (R3?) being pretty useful. Maybe sell a case that looks like a tea cosy and ditch the orange first though