Settings104Development• :USB debugging- : Select to connect your device toa PC by using a PC data cable. This is for applicationdevelopment.Stay awake- : Set the device’s screen to stay on whilecharging the battery.Allow mock locations- : Allow mock locations andservice information to be sent to a Location Managerservice for testing. This is for application development.Samsung Apps• : Select a network connection (Wi-Fi orpacket switched data network) to get application updatenotification from Samsung Apps.This feature may be unavailable depending on yourregion or service provider.ApplicationsChange 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 thememory used by applications on your device andmemory card.Battery use• : View the amount of power consumed byyour device.