Sale has ended but you can still get this app.
Download MINECIRCUIT EXP Now
MINECIRCUIT EXP

Official Description

MINECIRCUIT EXP is the circuit simulator.

Let's make the original circuit by combining parts freely.
It is using Mini 4WD Japan Cup Junior Circuit.

[function]
*course add
*course delete
*course move
*course group move
*course rotate
*circuit zoom
*circuit save
*circuit delete
*circuit name edit
*circuit copy

[[[NOTE]]]
* Please use the latest models.