A powerful debug module that is fully pluggable, extendable, and very useful. It enables you to create your own Critter that contain UI elements which enable you configure your application on the fly.
It also can inject a right-facing DrawerLayout into your activity on top of all other content, making it very unobtrusive and accessible from everywhere within your application.
Stetho is a sophisticated debug bridge for Android applications. When enabled, developers have access to the Chrome Developer Tools feature natively part of the Chrome desktop browser. Developers can also choose to enable the optional dumpapp tool which offers a powerful command-line interface to application internals.