I used to draw on my Lenovo Yoga 520's screen with Lenovo active pen but I upgraded my tablet to Wacom Cintiq 16 as of June 2020!
Or sometimes my doodles are drawn on my phone: Samsung Galaxy Note 10 Lite.
I use Clip Studio Paint Pro on my laptop. And on my phone the app is either Samsung note or Autodesk Sketchbook!
Here are some of the brushes I downloaded from Clip Studio Assets. Idk if the ones I'm using are here since I lost track of which ones they are and some of the brushes I downloaded have been deleted by the author. But! these are some nice brushes: