Best Todo List app in the Play Store

The Best Todo List app in the market for Free :

We all know how useful a todo list is. Without any far description I want to show the Screen Shoot of the app.

See how Beautiful it is. Name of this app is "Wonderful Time". Download link is
https://play.google.com/store/apps/details?id=com.sk.dateandtimeutility&hl=en_GB . This app also contains a todolist which not only looks beautiful but also works in a simple and effective way. You can group tasks under several categories and assign them priority, due date etc. Several sorting options are provided like priority, category, due date etc. Tasks can also be shared via SMS, E-mail and various other ways.To complete a task just long press on a task, which reveals a context menu which has several options like mark the task as complete, share or unmark the task etc.
Reminders can also be set for every task.
You can also create note for each task.
Tasks under each group are shown as colorful papers on the home screen. Users can then select a group to view the tasks under that group. Once inside the group tasks in that group can again be sorted by priority, due date etc.
You can also create shopping list and various other kind of lists with ease and mark them as complete or incomplete as appropriate.
You can change the colour of the whole app. Can make saveral widget of todo and etc etc.

Thank you for reading.