Settings130ApplicationsChange the settings for managing installed applications.Unknown sources● : Select to download applicationsfrom any source. If you do not select this option, you candownload applications only from Android Market.Manage applications● : Access the list of the applicationsinstalled on the device and check the applicationinformation.Running services● : View the services you are using andaccess them to manage.Memory usage● : View available memory and the memoryused by applications on your device.Battery usage● : View the amount of power consumed byyour device.Development● :USB debugging- : Select to connect your device to a PC byusing a PC data cable. This is for application development.Allow mock locations- : Allow mock locations and serviceinformation to be sent to a Location Manager service fortesting. This is for application development.Samsung Apps● : Select a network connection (WLAN orpacket switched data network) to get notifications for newapplications from Samsung Apps.This feature may be unavailable depending on yourregion or service provider.