This document provides an overview of the Power Platform Deep Dive presentation at the Microsoft TechDays Helsinki 2019 conference. The presentation introduces PowerApps, describing it as a solution for building apps and solutions with little or no code that integrate with Microsoft cloud services. It demonstrates PowerApps examples for a mobile application, using a PowerApps custom visual in Power BI, and applications for employee onboarding and tracking train routes. The presentation discusses the differences between canvas and model-driven PowerApps and covers lessons learned around not underestimating SharePoint lists, overestimating SQL databases, understanding mobile device usage, and planning governance.