If you're new to Planet of Lana or if you're stuck on a level, here are three guides with tips and tricks that could help you starting your journey (beware, spoilers!):

• https://intoindiegames.com/walkthroughs/planet-of-lana-walkthrough-home-alone/
• https://www.neoseeker.com/planet-of-lana/walkthrough
• https://www.trueachievements.com/game/Planet-of-Lana/walkthrough/2

You can also watch this walkthrough : https://www.youtube.com/watch?v=KBMkz_Ywn-s

Have fun!