Grumpy Old Geeks Products Snapchat mini apps Product Snapchat mini apps 2 mentions in 1 episode Third-party apps built into Snapchat using HTML5. Mentions 457: Grumpy Old Idiots Jul 22, 2020 6:32 They have launched these things called third party mini apps within their system. 6:51 the first couple have launched, which include Headspace, Let's Do It, Prediction Master, and Flashcards.