All-in-one in-game companion for Pokémon players — quick lookup & checklists

About 100 million active mainline Pokémon players routinely struggle to get fast, in-session answers and keep progress organized: casual players want quick move or type references while completionists need reliable checklists and event trackers, yet information is scattered across wikis, spreadsheets, Discords and video guides. The pain is especially acute on mobile during play sessions where users expect finger-friendly, sub-10-second lookups and lightweight progress syncing rather than desktop research. You could build a mobile-first, game-specific companion that offers instant lookups, personalized checklists, progress syncing, and natural-language in-session queries powered by on-device or low-latency models; features would include indexed game databases, offline caching of common lookups, checklist templates and import/export of manual or save-derived progress. Launching focused support for one or two current titles first lets you validate core UX and retention before expanding to new releases, and monetization can start at the $5/year ARPU implied by the market model with premium checklist packs and creator integrations as upsell paths. This is an attractive moment because franchise reboots and steady releases create recurring demand, and a 100M-player base implies a $500M addressable market at $5 ARPU/year, while mobile-first expectations and advances in compact ML make personalized, conversational companions feasible. Differentiation will come from relentless mobile UX optimization, high-quality, actively maintained datasets, and measurable checklist automation—areas where wikis and generic apps lag—although you should be realistic about ongoing content maintenance, potential IP/legal constraints, and acquisition costs; focusing on early retention metrics and partnerships with community creators can build defensibility.