[header] How to use yahoo messenger for android [title] Download and install yahoo messenger from google play. [step] Search for the app, download it and after installation, tap on the app icon to open it. [title] Sign in to your yahoo account. 
[step] Enter your yahoo id and password and then tap on the " sign in " button. You can also choose if you want to sign in invisible to your contacts and for the application to remember your id and password after your close it.