Notifications about scheduled tasks on your usual manager may appear at the most inconvenient moment. To solve this issue you can make use of Shifu free for Android.
Your smart friend... in your smartphone.
The differential feature of Shifu is that it has dynamic reminders. Therefore, it is a task manager that helps you to carry out all the things that are important for you. But with the advantage that you receive the notifications at the most appropriate moment depending on the context (location, network use, calls received...).
Download Shifu free for Android if you want to have an original task manager on your smartphone.