Summarize:

2go.im” into the address bar of your device’s Web browser. The application will then start downloading, and may take anywhere between several seconds and several minutes, depending on your network speed. You will be prompted to enter your mobile number, select your country, a username, password, and more. You will have the option to chat with contacts in 2go chat rooms, as well as with contacts from your Facebook, Google Talk, and Mxit accounts.
Access the Web browser on your mobile device. Type “m. Tap on or select “Download 2go” when it displays on your mobile screen. Follow the onscreen prompts to create a 2go profile or sign in with your existing profile. Select the option to start chatting after you are logged into 2go.