Use your android smartphone or tablet to connect your ergometer/trainer to ANT+ workout software, these ergometers/trainers are supported:

• Daum ergo_bike premium 8 / 8i
• Daum ergo_bike 8008 (and compatible)
• Kettler X3, ergoracer, Racer 9
• Kettler Racer S (and compatible)
• Daum ergo_run premium8 (treadmill)
• Pafers based hardware

An ANT+ FE-C  connection is possible e.g. with zwift, bkool, rouvy, icTrainer, myWhoosh, RGT, BigRingVR, veloreality, golden cheetah is supported too.
Both ANT+ FE-C operation modes (simulation and workout) are supported, your ergometer/trainer acts like a smart-trainer.