The Marriott mobile app makes travel easier than ever with mobile check-in and mobile checkout. Make reservations at over 4,000 hotels and resorts in 70 countries, 24/7, from anywhere. Plus, you’ll earn Marriott Rewards points when booking your trip at thousands of properties around the world. • Mobile check-in and checkout are available at 12 brands across the world. • Enroll quickly in Marriott Rewards, save your preferences and enjoy exclusive benefits such as mobile Check-In and Checkout • Browse hotel photos, maps, city guides and amenities, or call a hotel (if supported by your device) • Make special requests for early check-in, extra pillows or towels, high or low floor, etc. • View upcoming reservations, add them to your calendar and make cancellations • Available in English, French, Spanish, German, and Chinese.