4.Project list screen
	It is a screen which displays the saved project.
	It is a screen first displayed at the time of MARKS[Ryu] starting.
	A display style can be changed to a "title + date" and "title + date + contents."
<Fuction buttons>
		4.1.Filtering manager
		4.2.Recording screen
		4.3Playback screen
		4.4.Find
		4.5.Title edit
		4.6.Delete project data
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