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  3. AI App Idea Engine — Daily Mobile App & Game Ideas
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AI App Idea Engine — Daily Mobile App & Game Ideas

An automated engine that generates a fresh, structured mobile app and game idea every day using Gemini 3.1 Pro, orchestrated by n8n and logged to Google Sheets through a templated prompt system.

Private project — source code is not publicly available.

AI App Idea Engine — Daily Mobile App & Game Ideas
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Project Overview

AI App Idea Engine is a lightweight automation that produces a new, viable mobile app or game concept every single day. It pairs Google Gemini 3.1 Pro with a curated, versioned prompt library and pushes structured output into Google Sheets through scheduled n8n workflows. The goal is to never start from a blank page: a steadily growing, structured database of product ideas generated hands-free.

Technologies & Tools
PythonGoogle Gemini 3.1 Pron8nGoogle Sheets APIPrompt EngineeringAutomation

Key Features

Generates a new, structured app or game idea every day

Powered by Google Gemini 3.1 Pro with a curated, versioned prompt library

n8n workflows schedule generation and route results automatically

Google Sheets as a zero-friction idea database with schema-migration scripts

Configurable prompt templates and idea categories

Fully automated, hands-off daily pipeline

AI App Idea Engine turns ideation into infrastructure. Instead of brainstorming on demand, it runs a scheduled pipeline that asks Google Gemini 3.1 Pro for a fresh mobile app or game concept each day, using a curated and versioned prompt library so the output stays structured and useful rather than generic. Each generated idea is parsed into a consistent record and written to Google Sheets, which acts as a zero-friction idea database — complete with setup and schema-migration scripts so the structure can evolve without losing history. n8n handles scheduling and routing, making the whole loop fully autonomous. It is a small but complete example of applied LLM automation: a clear prompt system, a capable model, an orchestration layer, and a durable data store, wired together into a hands-off daily product-idea generator.

Technical Deep Dive

Generation Pipeline

A Python entry point combined with a curated prompt library feeds Google Gemini 3.1 Pro, and the model's response is parsed into a consistent, structured idea record ready for storage.

Orchestration

n8n workflows trigger the generator on a schedule and handle routing and delivery, so the pipeline runs autonomously without manual intervention.

Data Layer

Google Sheets integration — backed by setup and migration scripts — stores every idea with a stable schema, turning a spreadsheet into a durable, append-only idea database.

Technology Stack

Python for the generator, Google Gemini 3.1 Pro for generation, n8n for orchestration, and the Google Sheets API for persistence.

Interested in This Project?

If you'd like to learn more about this project, discuss potential collaborations, or explore the technical implementation, feel free to get in touch.