Microsoft has actually introduced the Inking Feature for its Office suite of apps. The function can pick up the approach of an active pen and lets the user start drawing.

The function deals with Word, Excel and Powerpoint apps. The feature needs the gadget to have at least 1GB of RAM and must be running Android v4.4 or above. Users can also utilize the function with their finger if they do not have a pen or stylus. They can also set the colour and density of the pen. Users can also connect with the drawn ink as it shapes.

In Word, the feature can be utilized for fast evaluation and correction. In Excel, it can be utilized to make future referencing and removing something. In PowerPoint, the function can be used for pictorial representations.

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I have this office thing on my lumia .. But still don't know its usefulness