The calendar app on OS 17 is a really good one. But on Android you can't have it. So today I have built a calendar application with phone 15 style, with useful features, handy, easy to use. Calendar OS 17 style has everything you need to organise your diary. Add events, set reminders and even sync other digital calendars to stay on top of your routine. Not only has an OS 17 style interface, but this app also has loads of useful features that are sure to make you happy.Calendar phone 15 is a ap