it means: "he/she likes to play"
If you're talking about American football, it'll be A él le gusta jugar fútbol americano. or Él le gusta jugar fútbol americano. If you're talking about Spanish football (soccer) it'll be A él le gusta jugar fútbol. or Él le gusta jugar fútbol. Please note the first answer for each option (A el le gusta jugar futbol (Americano)) is much more common in Spanish speaking countries and you will hear and see that version much more commonly.
As a statement "you like to play tennis", it would be "Le gusta jugar al tenis." As a question "do you like to play tennis?", ¿Le gusta jugar al tenis?" Spoken, the differrence is just in inflection - with the voice rising at the end. If you are asking someone if they want to play tennis, the it is "¿Le gustaría (Or "Quisiera") jugar al tenis conmigo?"
También le gusta jugar.
A ella le gusta jugar al golf
'Le gusta trabajar' means 'he/she likes to work' in English.
Le gusta jugar juegos de vídeo would be the best way to say "He likes to play video games" in Spanish.
i know u love me
It means: Graciela likes him (or maybe you) (in a romantic way).
Do you mind if I call you Papi?
"El amor le gusta" does not make sense in Spanish. However, "el amor me gusta" means "I like love" in English.
The phrase "Cuanto la gusta" makes no sense in Spanish. If it was "Cuanto le gusta", it would mean, "How much he/she/you likes it".
To answer "¿Qué le gusta hacer a Jorge?" you would say what activities Jorge enjoys. For example, you could respond, "A Jorge le gusta jugar al fútbol, leer libros y salir con amigos." This provides a clear picture of his interests.