Can a mobile application interfere with the phone functions of a smartphone?

Question

Mobile devices

Good day!
Can a mobile application affect the operation of a smartphone exactly like a phone?
Those. for example, when certain conditions occur, pick up and end the call?
Or collect statistics on the number of calls made, while indicating how many of them were made to your operator, and how many to someone else? How many outgoing, to other networks, etc.?
Thank you!

Answer 1

Yes maybe.