RtDrive ECOS allow you to control the locomotives and accessories registered in the ESU-ECOS command station. from your smartphone. RtDrive Ecos can be used with the Mobile Control II of ESU You can manage all of the 31 functions of a locomotive. Requires firmware 4.2.5 of ECOS You have 8 favorite buttons to manage the functions of the locomotive from the main screen. You can set the function from 0 to 31 for each button and for each locomotive. You can manage the accessories (like turnouts