Tablet Pro allows you to assign keyboard shortcuts and other useful features to an on-screen pad so you can comfortably use Lightoom with touch and pen without the keyboard or typecover.
Download Tablet Pro from the Windows Store here:
Amazon Affiliate Link for Surface Pro 4:
Special credit to Frank Bicking Photography for teaching me some of these cool Tablet Pro tips on his Surface. Check out his studio!
Special credit also goes to Daniel Arthur for some general Adobe Lightroom knowledge and resources.