For games tried; Ren'Py save directory says ~1800, sure some of those are duplicates due to rebrand/remake but yeah...
Supporting on patreon, so far I've only subscribed to one game for a short period.
If the game relies mostly on porn clips (especially ones with sound) with few throwaway sentences mixed in, no Sir, I don't like it. With that said, spicing up a story with well selected images or short clips can work wonders.
Art style doesn't really matter as much as the game, I've played plenty of games with art that some might call amateurish or bad and liked them while there have been plenty of games that had very polished art yet very uninteresting plot and gameplay.
Ren'Py seems to be my default but it really comes down to how the dev uses the engine. I've played some really good games made with engines I thought were not suitable for the gameplay and some very bad ones made with engines specifically designed for a type of game. What I like about Ren'Py is...