I would say that this Canabalt-like game is good for kids (and it is), but I don't suppose there are too many kids around nowadays who remember the early days of Inspector Gadget like I did in my generation. We 80s babies can fondly look back on Gadget, Penny, Brain and the mysterious Dr. Claw with nostalgia, so while this one is more or less a licensed tie-in game, it's still good to see the old gang kicking around.
Actually, just calling it a tie-in game isn't quite right -- there are some new elements here, in the form of coins to collect as you run and a few interesting new sequences (including some hook-jumping and a train for Gadget to dodge). But it basically plays like a running game; Gadget constantly skates forward, and a touch on the screen let's you jump up to safety. It's just as fun, too -- while it doesn't have Canabalt's cool flavor, it does have the Gadget theme, sounds from the series and everything else you'd expect from a licensed title.
It also has a nice curve of replayability -- you're not only scored as you play, you're also granted Gadget Coins, which you can use to unlock extras both in-game and out (there's a digital comic and a sound board, both of which are nice meaty add-ons). Plus, the game is half price right now at just US 99 cents ($2.99 for the iPad version). If you've got kids who like Canabalt, or if you just remember being a kid that liked Inspector Gadget, give it a shot.