what is best port number for smartphone applications..

Answer 1

If you're asking which port you should use, it would depend on what you mean when you say messaging program, as well as a few other things.

Answer 2

What do you mean? Also why did you place as tags HTML, Java, CSS and C#?

Answer 3

I am not sure what you mean, do you want to have a remote connection between your phone and your computer? Or simply send messages through a messaging program such as messenger

Answer 4

i want create app in my phone for send messages to my computer. but i want port number for this. what i should do??