I’m kicking off the first phase of a long-term project: an Android application that lets users experience stock trading in a purely virtual environment. In this MVP I need four core capabilities running smoothly: • Secure user registration and login (Google/Facebook or email). • Real-time market data display so prices feel authentic. • A virtual trading module where users can buy, sell, and track positions with play money. • A personal account screen aggregating portfolio value, past trades, and leader-board rank. The big objective right now is user engagement while I test market interest, so I’m planning to drive activity through in-app competitions and weekly challenges. Smooth animation, quick order execution, and a clean material-design interface will be critical for keeping people hooked. I’m open to Kotlin or modern Java, but the codebase must be well-structured for future iOS and web ports. Think MVVM, clean API layers, and sensible dependency injection. You’re free to lean on Firebase Auth, Firestore, or a REST backend if you can justify the trade-offs; just make sure the data layer is easy to swap later. What will make me say “yes”: • An APK (or Play Console test release) that satisfies the four features above. • Source code in a private Git repo with clear commit history and README. • A brief hand-off call or video walkthrough so I understand your architecture choices. • Timely communication and a mindset for a continuing collaboration as we add real brokerage integration, cash wallets, and social features next. If you enjoy building engaging fintech experiences and see the potential in growing this into a full production platform, let’s start with this MVP and grow together.