pni文件怎么看，pni文件怎么打开？
.pni
文件类型：Popnoggin Image File
扩展名为.pni的文件是一个Raster 图像文件。文件说明：
Image file used by Popnoggin, an educational program that displays pop-up questions while other programs are running; contains images that are embedded in the pop-up questions.Popnoggin uses a pay-to-play model that allows kids to earn game time by answering questions; the program keeps track of gameplay time and the number questions answered..pni
打开.pni文件
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Popspring PopnogginLinux
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来源：.pni文件