Hi,
Well, your ALV is getting displayed completely. The only thing you want is to remove the wrap onto the next line.
I would suggest increasing the width of the overall table in the generated HTML template. You will just need to add a few css classes and change the 'body' and 'table' tag classes in this template generated for the ALV.
For information on how to do that, refer blog: ITS templates – Styles, Themes and Legibility (MIME Repository)
and thread: ITS Application for LM01 screen size is too small on Mobile devices and ITS Application for LM01 screen size is too small on Mobile devices
Let me know.