I need an Android application (translated to spanish) built that lets me keep a precise, day-by-day record of how much lysine, protein, and calories I consume. Every time I eat, I want to type the food name, quantity, and time; the app must immediately calculate the three nutrients and add the entry to the current day’s log. All food data—including lysine content—has to live in a fully editable database inside the app. I should be able to add, adjust, or delete any food and its “per-100 g” numbers without ever leaving the interface. For the records themselves, everything must be stored locally (SQLite / Room, or any robust on-device option). When I open the app I expect a clean graphical overview of today’s totals and an easy way to swipe back through previous days; graphs are my preferred way to see both daily breakdowns and longer-term history, with the detailed list only a tap away. Once I’m ready to analyse the data elsewhere, I want to export it straight to Excel (.xlsx). If you design the exporter so CSV or JSON could be added later, even better, but Excel is required from day one. Because nutrient tracking is only useful when it is accurate, calculations and rounding must be rock-solid and identical across all screens. Data loss is a deal-breaker, so please build with reliability in mind and document the schema you choose. Deliverables • Signed APK plus full Kotlin/Java source code • Brief setup/build instructions • Sample Excel file produced by the export feature showing correct nutrient totals If you have experience with Room, MVVM, and a charting library such as MPAndroidChart (or similar) let me know—those would fit the tech stack I have in mind.