: Popular among users of devices like the R36S or Kinhank K36 to personalize the boot-up sequence or UI themes.
Since .rar is a compressed format, you must extract its contents before the files can be used: : Use tools like WinRAR or 7-Zip .
: Often shared in tutorials for Android or iOS to add custom "charging animations" that play when the device is plugged in. How to use a .rar file