If you don't need to customize your smartphone ... then take Windows Phone.
Windows Phone 8.1 is customisable. You can choose a background image for the Start and Lock Screen, or alternatively choose a background app for your Lock Screen. Lumia's that support Glance, can have additional information shown on their Glance screen, ie. Weather.
start+theme (choose either a dark (black) or light (white) background and range of accent colours). If you use Windows 8.1 on PC, this can be optionally synced to match your experience. WP8.1 introduced the choice to show more tiles, which can be toggled on/off, depending on preference. There's an app in beta on the WP Store that demonstrates more lock screen features.