Monster Hunter vs Sky Force Anniversary
Monster Hunter
Monster Hunter is the very first of a successful monster-hunting RPG that sees you venturing out into a fantastical world filled with massive monsters and creatures to slay. There are plenty of quests in this game ranging from protecting a town from invading monsters or collecting quest items for an NPC. As you level up, you'll gain access to far more destructive weapons and skills, all of which can be further upgraded. Best yet you can play this game in single-player or cooperatively (online multiplayer) with up to three other friends.Monster Hunter turns the usual "kill x monsters" that you frequently encounter in MMORPGs into a truly challenging task, giving you the sort of elation that comes when you've successfully (and possibly barely) slain a boss and apply it to every battle encounter in this game.
Sky Force Anniversary
Sky Force Anniversary brings Sky Force to platforms other than Android and iOS, namely PC and consoles, allowing even more players to enjoy its exhilarating arcade shooting action. It is basically similar to Sky Force 2014 on mobile and features everything you'd expect to find in the latter, including challenging enemies and bosses, large number of missions, weekly PvP tourneys, an in-depth airplane upgrade system along with a wide variety of planes to fly as and weapons to blast enemies into smithereens. In this version, you can also play the game cooperatively with a friend through the game's local multiplayer option.Oddly enough, despite its similarities to Sky Force 2014, Sky Force Anniversary is available on Android as well. Unfortunately, I'm pretty sure the game doesn't support cross-platform cooperative gameplay so you can't exactly play with your friend cooperatively if he is on the PC and you on your phone.
Sky Force Anniversary is the best (and only) version of Sky Force that you can get for Nintendo Wii, PlayStation (3, 4 and Vita), and Xbox Live, but if you want to play the game on your mobile, you can get either the Anniversary version (Android only) or the 2014 version.