if you want to create a desktop version just look at zepsoft (discontinued or sold to chinese?) desktop calendar. they have it down to perfection. their problem is the opposite of yours. they don't have version for mobile app. just bought theirs and call it your own.
if you want to create a desktop version just look at zepsoft (discontinued or sold to chinese?) desktop calendar. they have it down to perfection. their problem is the opposite of yours. they don't have version for mobile app. just bought theirs and call it your own.