Unpack png from big PNG picture described by plist file.
- Open *.pvr.ccz or something by texture packer and save as png.
- Open *.plist by XCode and save as xml *.plist files.
- Click 'Open PNG' and choose png file by step1.
- Click 'Open plist' and choose plist file by step2.
- Set a output path.
- Click generator.
Then, you can get the unpacked png files.