Few Questions about PPSSPP and Monster Hunter Freedom Unite

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Alright this is a pretty old thread but I thought that my issue was the same issue that was present in this topic.

I read through the posts and it had been said that the sound issue would be fixed in version 0.8...
Well I tried playing MHFU on version 0.8.1 but the sound still didn't work. In fact there was absolutely no sound.
The game seemed a little bit laggy in some spots as well.

I just wanted to know if there was something that I was doing wrong or if the issue just had not been resolved yet?
I really want to play but I feel as though playing with no sound was pointless.

I was playing Harvest Moon Hero of Leaf Valley a few hours before and the sounds on that seemed to be working just fine.
I'm really not sure if the problem is just with this game or not ...