No, the VP300 is not compatible with the Sportstech Live app.

No. The VP300 is approved for sports use only and should therefore not be used for medical purposes.

You can find more workouts and inspiration for an effective workout in the Sportstech Live app.

Demo units are a cost-effective option for high-quality products, offered at a reduced price. These used products have either been tested by prospective customers or displayed in stores. Demo products have minor signs of use but have been carefully inspected for both technical and visual condition.

The VP300 is equipped with two motors: The first motor provides oscillation (vibrating movements). It operates in a vertical frequency range of 5-15 Hz. The amplitude, i.e. the range of movement, is 0-10 mm in the vertical direction. The second motor provides vibration and operates at a frequency of 3-10Hz. The amplitude, i.e. the range of movement, is 0-15 mm in the horizontal direction.

Please replace the battery with a CR2032 button cell. 
If replacing the battery does not help, you will need to re-pair your remote control. 
Please follow the video instructions on YouTube:

The following YouTube video explains how you can operate your VP300 with or without the remote control: