ICQ lets you chat with all your friends in one app that is both comfortable and free, so you can forget about paying for SMSs and MMSs. Available on any device with Android: phones and tablets, PC.
Functions:
You can use it to send instant messages to your ICQ contacts and also to your friends on Facebook and Google+, as well as share photos, videos and location information instantly.
Activities:
Integration with social networks to chat with your friends without any problems and still lets you make free voice calls to your friends on ICQ to their computers or mobile devices.
Platform:
Any device with Android installed.
Requirements:
Available for any device which has Android installed.