You can use Twitter on your mobile phone. Before you can use Twitter, you need to set up your mobile phone for internet. Please note the developer continuously updates the app so it may differ from these instructions.
If it's the first time you use Twitter on your mobile phone, you need to log on.
Tap the new tweet icon.
Tap the field next to "Write".
Write your text and tap Tweet.
Tap the required tweet.
Tap the reply icon.
Write the required reply and tap Tweet.
Tap the message icon.
Tap the new message icon.
Tap Enter a name....
Key in the first letters of the recipient's name and tap the required contact.