Yes, Moto Z2 Play comes with latest Android 7.1 Nougat OS and does support Screen Cast.
Moto Z2 Play has nano sized sim card slots.
No. During our extensive review and usage, we did not experience any heating issue.
Yes, Moto Z2 Play is a dual sim mobile phone.
Yes, you can use both the Sim cards as well SD card at the same time.