Every week, the App Store highlights some of the best new and updated apps. This week, we get ready for the PGA Tour, Angry Birds gets a sequel, and Apple showcases back-to-school apps.

New to the App Store this week, we have PGA Tour Live, which lets golf fans stream rounds live on their iPhone and iPad. There's also LiveText, a new messaging app for Yahoo. Keep track of the most important numbers in your life with Numerous. Disney has put out a new karaoke, this time for their new Descendants TV series.

Angry Birds 2, the sequel to Rovio's original smash hit, leads off the new games this week. Race the Sun is a new game that challenges you to race the Sun across the sky in an effort to keep your solar flyer aloft. Fight to prevent the rise of a Dragon in Tap Quest: Gate Keeper. Finally, classic RPG Legends of Grimrock has been updated, letting play on your iPhone.

It's once again back-to-school time, and Apple has assembled a collection of apps to help you shop for supplies. There are a number of retailer apps, like those from Target and Best Buy, that let you use Apple Pay. Apps like Schoola, zulily, and Macy's help you find the perfect first-day outfit. Finally, apps from stores like Walmart help you save money on your all of your back-to-school needs.

Check back next week for more new apps and games from the App Store.