Download and install either MXVideo Player or Rock Player. I think either of them will play WMV files.
There are a number of options for PPS files. I think Documents-to-go or QuickOffice, etc. for the PPS files.
(Edit to remove Poweramp and replace with MX Video Player)
There are a number of options for PPS files. I think Documents-to-go or QuickOffice, etc. for the PPS files.
(Edit to remove Poweramp and replace with MX Video Player)