If you purchase an independently reviewed product or service through a link on our website, SPY.com may receive an affiliate commission. Handheld gaming is one of the most convenient ways to entertain yourself on the go. Sure, you can use one of the best gaming phones to jump into some casual gaming sessions, but the best handheld gaming system is the most efficient way to experience everything the industry has to offer on the go. Nintendo has something of a monopoly on all of the greatest handheld devices at the moment, with a wide selection of fantastic systems and games to enjoy while out and about — or even in another room of your home.