The latest articles on Forem by nikos nick (@nikos_nick_2965cf961244a2). https://forem.com/nikos_nick_2965cf961244a2 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3650296%2F08bfb2d8-5804-499b-bc29-b5dddb0dde13.png https://forem.com/nikos_nick_2965cf961244a2 en nikos nick Sun, 07 Dec 2025 14:37:15 +0000 https://forem.com/nikos_nick_2965cf961244a2/my-first-dev-learning-app-is-live-on-google-play-made-with-jetpack-compose-2ol5 https://forem.com/nikos_nick_2965cf961244a2/my-first-dev-learning-app-is-live-on-google-play-made-with-jetpack-compose-2ol5 <p>🚀 I just published my first Kotlin app — would love your feedback!</p> <p>Hey everyone!<br> After months of learning Kotlin + Jetpack Compose, I finally released my first Android app on Google Play:</p> <p>👉 Programming Quiz Guide<br> Test your knowledge in Java, C++, Python, Angular &amp; more — with explanations after every answer.</p> <p>Google Play link:<br> <a href="https://play.google.com/store/apps/details?id=com.lydatakis.CodeMentorQuiz" rel="noopener noreferrer">https://play.google.com/store/apps/details?id=com.lydatakis.CodeMentorQuiz</a></p> <p>🎯 Why I built this</p> <p>I’ve been teaching myself Android development, and I wanted a project that:</p> <ul> <li>helps me practice Kotlin, Compose, ViewModels, DataStore, ads, in-app review, etc</li> <li>is useful for other developers</li> <li>is fun to play and easy to expand</li> </ul> <p>I also personally enjoy learning through quizzes, so I decided to build a developer-focused quiz app.</p> <p>🔧 What’s inside</p> <ul> <li>Each category has levels that gradually increase in difficulty:</li> <li>C++ Foundations</li> <li>Java OOP</li> <li>Python (Basics → OOP)</li> <li>Angular (Basics → Advanced)</li> <li>Web Development Fundamentals</li> </ul> <p>🧰 Tech Stack</p> <ul> <li>Kotlin</li> <li>Jetpack Compose</li> <li>Material 3</li> <li>ViewModel + StateFlow</li> <li>DataStore for saving progress</li> </ul> <p>If anyone is interested, I’m happy to share code snippets or explain how I implemented anything.</p> <p>💬 Thanks!</p> <p>If you have a moment to try it or leave a review, it would mean a lot.<br> Happy to answer any questions about how I built it — maybe it helps other beginners too!</p> <p>Thanks for reading 🙌</p> android development showdev programming