Is there a word for something that pretends to be more artful or refined than it actually is?
Pretentious literally means that, and can be applied to works and people:
adjective
adjective: pretentious
attempting to impress by affecting greater importance, talent, culture, etc., than is actually possessed.
"a pretentious literary device"
Maybe kitsch too? But kitsch can be non-pretentious
>>7834182
Rap
>>7834182
Do you remember that time a kid shoved a cookie roll in his underwear and posted it on /lit/? Pepperidge Farm remembers.
>>7834190
I agree with pretentious. First word that came to my mind.
Note that it is etymologically related to the word "pretend" which you included in your question.
http://www.etymonline.com/index.php?allowed_in_frame=0&search=pretentious