Based on the search results, "Playit better" appears to be a misunderstanding or misnaming of , a tool for hosting Minecraft servers without port forwarding.
In many versions, if you try to play a file that requires it, a popup will prompt you to download the PT_FFmpeg or SW decoder automatically.
Before searching online, check if PLAYit can fetch the plugin automatically. Open the app on your Android device. Tap on the Me or Profile icon in the bottom-right corner. Go to Settings and select Decoder or Playback . Look for an option labeled SW Decoder or Custom Codec .
Run an A/B test: play an AAC file in VLC (the gold standard), then play the same file in PlayIt Better with SW Decoder. If the latter uses 15-20% less CPU and sounds identical, your download was successful.
: Select the downloaded file from your storage to complete the installation.
Inside the PLAYit playback settings, enable the option to automatically switch to the SW decoder only when the HW decoder fails. This gives you the best of both worlds: maximum battery efficiency for standard videos and seamless backup performance for complex files.