You can use Bkool Cycling simulator with non-smart trainers using an ANT+ or Bluetooth compatible speed sensor. Click here to see how to pair your speed sensor.
If you have a stationary bicycles, pairing any ANT+ or Bluetooth speed, power, cadence or HR meter. However, it won't be able to control your trainer or bike's resistance.
When you are using the simulator and you want to pair your trainer, you must click on the option "Pick a classic trainer", then you would be able to pair the sensor you are using with the simulator.
To pair your sensor you must click on the add button according to the sensor you are using.