List mobile capabilities.

Response

<response status="ok" permission_level="anonymous" cached="0">
  <mobile_format>video_mobile_h263_aac</mobile_format>
  <playback_3gpp>t</playback_3gpp>
  <model_name>iPhone</model_name>
  <playback_mp4_p>t</playback_mp4_p>
  <brand_name>Apple</brand_name>
  <playback_h263_amr_p>t</playback_h263_amr_p>
  <playback_h263_p>t</playback_h263_p>
  <playback_mpeg4_amr_p>t</playback_mpeg4_amr_p>
  <playback_mpeg4_p>t</playback_mpeg4_p>
  <device_id>apple_iphone_ver2_1</device_id>
  <playback_h263_aac_p>t</playback_h263_aac_p>
  <playback_amr_p>t</playback_amr_p>
  <relative_distance>0.15277777777777777778</relative_distance>
</response>