The game comes directly from Nintendo eShop, you will be able to go online, get updates etc.
After setup process the game will be available to launch on your own account, just as any other game or app you purchased directly in Nintendo eShop.
Get moving with Golf, Soccer, Volleyball, Bowling, Tennis, Badminton, and Chambara (swordplay) using Joy-Con™ controllers! Controls are intuitive, so you can hit the court (or lanes, or field, or arena) and get started. With controlled motions, you can curve your bowling ball, add spin to a tennis shot, or even use a Joy-Con with the Leg Strap accessory to kick the ball in Soccer. Family and friends can join in on the fun on the same system or online.