Yo hablo español así que para mi es perfecto jajajajajaLook at this (it's in Spanish though)
https://gbatemp.net/threads/how-to-make-flash-game-wad-injects.561406/post-9165139
MarioCube has a few Flash Game WAD injects (google it).
My repo has also this, but again google for them (i won't put links to them due to rules)
Thank you very much!