Not sure that I can solve this for you (I use MacOS). What you should have seen was your android emulator window launched, but that didn’t happen due to an error.
Just some observations:
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Look at the left hand side of your terminal output and go down to the first line with ERROR at the beginning. Your emulator didn’t launch because ‘Fragment shader(s)’ failed to compile. I have no idea what or where these are.
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Do you have Android Studio installed on your system? Apparently Processing works alongside Android Studio to use its emulator and this has to be set up correctly for it to work.
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For whatever it’s worth, when I run the terminal command line code that you posted on my system I do see an emulator, but it tells me that mine is out of date and needs to be updated. I was given the following instructions which you also might be able to use to set up your system:
