These doodles were either created in-the-moment or part of Monology's content distribution strategy to promote the main videos or infographics.
Screenshots and / or pictures are differently used to create them.
This is entirely a work of Android mobile apps.
Going forward, I would love to add my design skills to turn still images into something fun or meaningful with the use of emojis, stickers, and filters for quick brand content to be shared on social media channels. : )