Its just a nice way to grab huge content on mega if u don't use it frequently or don't have their membership, as they require you to pay to unlock the download limits on their platform.
Kimcartoons and watchcartoononline are pretty good options if u wanna stream them. There are repos available for these websites in cloudstream. With cloudstream u can actually download it to ur device
It's still the best gta game in the series, in terms of story, maps and also vibes