Once downloaded - it's pretty much self-explanatory - I hope this helped you just a little - Please let me know if it did, or what you did to resolve your issue. Recent versions of FireAlpaca (1.7.6 onwards. There has been one recent recommendation that you should try tapping the pen tip against your palm - have not seen any follow-up confirmation, but that might work if the tip is stuck. One other thing - When I opened the MS Store app and did a search for 'Surface' - the store did not render the result I was looking for - (This could just be my machine of course) So I had to do a separate search until I got here ( Surface – Windows Apps on Microsoft Store ) and then I used this link to open the MS Store and Poof! The Surface application was available for download. Try starting FireAlpaca by double-clicking the desktop shortcut with your pen. I have sent along some pictures that will hopefully help you. I can confirm this because the text tool works normally, but the pen and eraser do not.

Im not sure if its the version of fire alpaca Im. Specifically to the newest version, dragging on the canvas with a touch screen doesn't actually draw, it only moves the cursor around. Hello DoubleFelix - Do you by chance have the 'Surface' application downloaded? Have you by chance attempted to adjust the sensitivity from there? I agree with SharpUser that each program may have it's own sensitivity / pen setting built in - BUT in the chance that is does not have one built in, the program at hand may rely on the Surface Pro 4 settings. Because my graphic tablet is the Huion H610Pro and there isnt any pen pressure working on the application.

Pen pressure not working in firealpaca