An official app is on it's way but as Shedul's already a web-application, it's been designed for optimal mobile use. You and your team can access your account through your internet browser and then, save your Shedul calendar to your home screen. Just open the browser menu and select the "add to home screen" option. Shedul will then appear alongsideyourotherapplications.
This way you and your team can see your calendars on the move from anywhere, any device, and time.