Ключевые слова: android, app, application, appointment, background, bookings, brand, business, cellphone, closeup, communication, concept, connection, design, device, digital, display, editorial, electronic, google, green, hand, holding, illustrative, illustrativeeditorial, interface, internet, leafs, logo, media, microsoft, mobile, modern, object, online, phone, s8, samsung, schedule, scheduling, screen, service, sign, smart, smartphone, social, technology, telephone, trees, user,