How can I change language for word suggestion while writing an sms text message
In Android 2.2's stock keyboard, a long press on space bar then swiping left or right should allow you to switch between languages you selected on Settings &gt; Language &amp; Keyboard settings &gt; Android keyboard &gt; Input Languages &gt; Select Multiple Languages.

Note that it depends on your manufacturer, carrier, and ROM whether your phone will have the dictionary for the languages you want to use.