Developer's DescriptionBy SFAppsIn Android 5.0 or later, an error may occur.In Android 5.0 or later, an error may occur.If an error occurs, install the "Alert Window Checker" from below, please stop the app that inhibit the activation.Alert Window Checkerhttps://play.google.com/store/apps/details?id=jp.sfapps.alertwindowcheckerSetting ItemsKeyboardIf the keyboard is in use, supportable app overlay is disabled.Screen PinningAndroid 5.0 or laterIf the screen is pinned, supportable app overlay is disabled.SystemIf the system screen is detected, supportable app overlay is disabled.Example: Recent apps screen, Notification screen, etc.AppIf the specified app is detected, supportable app overlay is disabled.SensorIf the sensor value is in the specified range, supportable app overlay is disabled.Task SwichingThe task of supportable app is switched.About AccessibilityThis app uses accessibility.If you activate the accessibility, please confirm the explanation, agree, and activate it.