Operating system requirements&commericial usage

I have 2 questions ,hope someone can help answer.

  1. Whether spark support installed on mobile phone?If supported , what’s the operation system?

  2. If spark and openfire was used in commericial ,how’s the fee?

Thanks a lot!

As i said in your other thread, Spark is free to use, Openfire also. There is no mobile version of Spark.

Thanks!