lg.newImage("cat.png") -- made possible by lg = love.graphics
-- Don't force fullscreen (it frustrates those who want to try your game real quick) -- Develop for 1280x720 (so people can make HD videos)
It is interesting to watch you play @qubodup: I added the mouse support because I wanted to port it with Motor2D to a web game, so that it is playable on tablets and phones. Sadly the state-manager I used did not port so I had to cut that goal.