[Ver 1.7] - fine tune. [Ver 1.6] - bug fix for widget "1x4 type B". [Ver 1.5] - Another type of 1x4 size widget is implemented. [Ver 1.4] - Android OS 2.1 (Eclair) is required. - "Playing" icon is displayed in status bar. - 1x2 size widget is newly added. - "Previous" button is added to widgets.