LLScript: Fast Run Tool is an Android application developed by Triangulo. It is a package that allows users to load the 'fast Run Tool script' and always have the latest version, although manual updates are required. The app also provides a list of features of the script and instructions on how to use them.

One of the main functions of this script is to enable users to write or paste a script and run it directly from a custom eval javascript feature. It serves as a convenient tool for those who want to launch short or long scripts without the need to write a new one, launch it, and then remember to delete it afterwards.

Please note that Lightning Launcher is required to use LLScript: Fast Run Tool. You can find Lightning Launcher on the Google Play Store.