Windows Phone 8.1-now

lthough Windows Phone 8.1 has been out for a while now, there
 are still a few complementary features that weren't included with
 the upgrade's rollout. One of the more interesting promised features
 teased by Microsoft is a new lockscreen experience.
The new API for the lock-screen is going to be a piece of software
 you'll have to install separately, and won't be built into the OS itself.
 So what's the big deal about the new lockscreen? Apparently it is
 going to add a greater degree of customization to Windows Phone
 devices. This is good news for an OS that has, often-times, been
deemed a bit too homogenous from device to device;
Windows Phones more or less all act the same. There are some
limitations for the updated Lockscreen, however. If you're rocking a
 Windows Phone with less than 1GB of RAM, then you're going to
 be out of luck, as you'll need at least a gig of memory to use the new
 feature. Also, the new lockscreen only plays nice with English
 language settings.