You have apparently caught a bug in the PocketScumm version 0.8.0. It doesn't occur in version 0.7.1 so you can use that for Sword2 until it's fixed.

Yes, the right mouse button opens the inventory, but there are no this option to turn on right button in the Pocket scumm dialog. May be it possible to configure buttons on my Pocket PC? You're probably having the same problem that a number of other users are- the fact that the key assignment dialo...

The PocketScumm Mini-Manual is in the process of being updated for version 0.8.0 (almost completed). What may be of interest to many people is an extensive section, already completed, on handling key assignment problems with PocketPCs such as the Hp4700/4705. The manual is still at its original site...