Jailbroken devices provide a propitious way for facilitating new tips and tricks on your device. It is indeed a beneficial aspect as the user can employ a plethora of customized features, characterizations onto the device. During such instances, another such advantageous possibility will be to have a custom message popup welcoming you when you turn on your device. This feature can be availed with the help of a Cydia tweak which allows you to employ a welcome message on your iDevice.
WelcomeMe provides a feature to set up any custom message that you want. Thus whenever the iPhone or iPad turns on or re-springs, this particular message gets displayable to your eyes.