FeelYourSound is running a 2020 celebration deal:
From 2020/01/22 until 2020/02/02 you can get a 14% discount on their MIDI multi-touch app XotoPad. Use the code "xoto2020" at the checkout page to get the discount.
XotoPad turns any Windows tablet into a flexible MIDI instrument controller. It can be used both in the studio and while traveling.