The apps that you might need.
 
Lyrics Are Go
Lyrics Are Go
  Lyrics Are Go   is a lyric-projector. You can display/control lyrics and slideshows on the screen using multimedia projector.

Synchronicity
Synchronicity
  Synchronicity  is an editor for the Gmail addressbook. Your process reflects to your smartphone that syncs with Gmail.   Your addressbook can be kept well-organized at all times.
Easy to use only because of the desktop app. (Mac OSX & Windows )

CalendarG
CalendarG
  CalendarG  is a schedule-reminder. It makes you recall events that you don't want to forget by email.
Easy to use only because of the desktop app. (Mac OSX & Windows )

XCrossDrag
XCrossDrag
  XCrossDrag  is a contacts exchanger. Two Gmail addressbooks can be loaded in the XCrossDrag at the same time. And you can copy contacts by only drag-and-drop action.
Easy to use only because of the desktop app. (Mac OSX & Windows )

QrBank
QrBank
  QrBank  is a QR code creator. Any URLs and email addresses can be translated into QR codes.    FREEWARE
Easy to use only because of the desktop app. (Mac OSX & Windows )
 

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