title: Post tweet on friends wall
body: <p>I am using <a href="https://github.com/mattgemmell/MGTwitterEngine" rel="nofollow">https://github.com/mattgemmell/MGTwitterEngine</a> to post tweet on user wall. I am using this because i want to support minimum OS 4.3. I want to know how to post tweet on friends wall. There is direct Message in the "MGTwitterEngine". but I want to post of friends wall rather than text message.</p>