[header] How to chat with your facebook friends using yahoo messenger for android [title] Download yahoo messenger. [step] Simply search for the app in google play, tap " install " button and wait for it to finish downloading and installing. [title] Sign in your yahoo id. 
[step] Enter your yahoo id and password then tap " sign in " to proceed. If you don't have an id on yahoo yet, simply tap the " sign up " button and fill all the required information to get one.