Which scheduler with GoogleCalendar sync do you recommend?

Question

Project management

I would like to have a task scheduler like AnyDo but GoogleCalendar synchronization.
scheduler requirements.
1. To Do list, where you can set the date of the task.
2. Ability to break tasks into projects. For example, the project Sport. Task in the project: Go swimming Monday 12:00.
3. For android. Mobility is very important.
4. Synchronization with Google Calendar.
What do you recommend?

Answer 1

https://play.google.com/store/apps/details?id=org....

Answer 2

Of those that I know, doit.im and mlo are able to synchronize with the Google calendar. Almost all tudushniks meet the rest of the requirements.