Mods/BlockLauncher

Blocklauncher is an app that allows you to use mods in Minecraft Pocket Edition.

Mods
Mods for Blocklauncher are commonly written in Javascript as a .js file. You can make mods in C++ too as a .apk file that modifys Blocklauncher.

Mods for Pocket Edition have gotten very popular, and there are now apps for downloading mods.

Importing Mods
To use mods you must first import it. To import the mod you must open the .js file and tap import, then open Blocklauncher and enable the mod.