Most details about the Android L operating system by Google are still a mystery, but a sneak peak of the software has surfaced. Tech publication SamMobile obtained a test version of Android L for the Samsung Galaxy S5 and showcased various updates in a video.

This first look at the operating system shows how Samsung has integrated its own TouchWiz user interface into Android L. Though Samsung Electronics has not confirmed any plans, this is also a good indicator that the manufacturer will be updating devices in its Galaxy line to Android L.

A main feature on Android L is its new design concept called Material Design, which is inspired by the look of paper and ink. The interface is flat, colorful and reactive to a user’s input, intended to make the user experience seamless and simple. Samsung has redesigned many features in its TouchWiz user interface according to Material Design guidelines. Features and applications, including the drop-down menu, dialer, messages, memo, clock and many others, have all been revamped with Material Design.

Since this is a very early version of Android L for Samsung, many aspects of the interface (e.g., animations) were not functioning. SamMobile notes that this version of the Android L software is riddled with bugs and is noticeably slower than the current Android 4.4.4 KitKat system but that these issues should be resolved before launch.

Android L is expected to launch between mid-October and mid-November alongside new Google hardware. Currently, reports indicate that the Mountain View, California-based company will launch a Nexus 6 smartphone and a Nexus 9 tablet. Rumors and possible teasers also suggest that Google might brand the system Android 5.0 Lollipop.

Few manufacturers have confirmed their Android L update schedules, but HTC Corporation promises to have its most recent flagships updated to Android L within 90 days of release. There are also reports that Sony has plans to update its Xperia Z line to Android L. As is customary, Google’s old devices in the Nexus line, such as the Nexus 5 and Nexus 5 smartphones and the Nexus 7 tablet should begin to receive Android L as soon as it’s available to the public. However, most devices likely won’t see Android L until next year.