Connect Signal

Connect Signal is a simple puzzle game, but very addictive, also give you the challenging.
The rule is simple, tap the pipes to rotate them, they will connect and create a path to give the flow to the joints, let the Signals flowing, then, the Alien can go home.

Features,
***Free, and no any IN-APP-Purchase;
***Unique levels;
***Easy to learn, but hard to master;
***All kinds of joints wait for you linking;
***Share it.