No, I have finished it, everything for which I had a higher resolution texture has been replaced.btw @danikk did you still countinue PPSSPP HQ Texture replacement? i see a lot of texture didn't included but whole hash are completed.. i may want to take a look on it later.
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The custom characters weren't really fully included in the hash table, as they were not replaced at all, however, I do have a much more complete hash table than the one included in the release (I trimmed a lot of the unreplaced sprites for performance reasons), maybe it can save you some work if you want to replace more textures:
https://drive.google.com/open?id=1L77G_wYO1AAl9MIcSDDFky0rVwypPPWB