ConnectA2 is a mobile instant messaging application, always available in background and compatible with WhatsApp. It can use ConnectA2 network as well as WhatsApp network. You can send instant messages to your contacts for free, send and receive photos, videos and audios, emoticons, if your contacts are using ConnectA2 or Whatsapp apps. You will receive a notification whenever you receive a new message from your contacts.
Marketplace URL : https://marketplace.firefox.com/app/connecta2