It sounds like a really cool app- how neat you can “test run” decks to find ones that connect with you 
There’s a great guide about being an Empath here: Are you an Empath? 
It also has a section about how to protect your energies with Empath Shielding 
. I know it can be tough and there is a lot of negativity in the air out there, but I’d recommend layering on the energy protection and then going to the store for a grocery shop- you can’t survive off of rice (even with herbs and cheese), my friend! Please go get some food! 
Be well!