Smartphones has become an important part of modern life. In day to day life people often use and carry them where ever they we go. So getting reminders for the important tasks you wish to complete through mobile devices is an efficient and effective way. With advancement of technology, smartphones today have many capabilities to provide user interfaces with its copious features. The task scheduler application done for this thesis is an android based application for students and business people to schedule and full fill prioritized tasks in their daily life and get email notifications to provide quick alerts to users. The application helps to create and schedule tasks automatically based upon date and time, view a list of tasks, edit and delete tasks whenever we want. Tasks which are scheduled will be stored in the application calendar and the application provides a quick view of tasks. The task scheduler application stores all the scheduled tasks in the application calendar and gives email reminders in the Gmail, Yahoo mail and corporate email account that can be set up on the phone and as well as alarm reminders. In this application, when the user selects gmail account as sender and type any recipient email address as recipient, it will send the email notifications to the particular recipient email address and at some later time notifies user through the alarm notification on the phone. This application will send email notifications to the preferred user from the host user which will act like an invitation for any business meeting. In summary, the application helps reminds the user of the task schedule he makes and the priorities he gives to the tasks. The applicaton can send email notifications or invitations to the arbitrary recipients. This application is developed to provide a many featured interface, easy to access and user friendly application. The application notifies the user through both alarm and email notifications to complete the tasks as per priority and helps for better time management. The application is developed on Android OS and provides flexibility and user friendly feature. The smartphones used to develop and test the project are built of Android platform.