RoadTech (Lite)

Tool for guitar and bass players to manage their rigs.
This app is funded by ads. To remove the ads and gain full functionality you can buy the full version.

Features:
+ Manage one rig with unlimited number of devices
+ Create multiple presets for each rig
+ Supports amplifiers, effects annd cabinets
+ Save device settings
+ Wire your devices systematically
+ List all cables required for the setup
+ Check wiring-correctness (such as speakeroutput into linein)
+ Own devices can be added (see help menu)

Buy the full version here: https://play.google.com/store/apps/details?id=com.roadtech