What problem does it solve? Expanding a product's payments across multiple countries requires navigating different regulations, local payment methods, tax regimes, and currency strategies, which is difficult to research and coordinate manually. ## Core Features & Use Cases - Country Regulation Summaries: Reference tables covering required payment methods, tax rates, and key regulations for Korea, the US, the EU, Japan, Southeast Asia, and China. - Optimal PG Combinations: Recommended payment gateway stacks such as Stripe plus PortOne for Korea, Xendit or PayMongo for Southeast Asia, and Paddle or Lemon Squeezy as Merchant of Record. - Tax and Currency Strategy: Guidance on VAT automation via MoR delegation or Stripe Tax, plus trade-offs between single-currency, local-currency display, and full MoR delegation. - Use Case: A solo developer launching a subscription app in Korea, Japan, and the EU asks for a payment plan and receives a per-country compliance checklist, a minimal Paddle-based MoR setup, and a VAT handling strategy. ## Quick Start Ask the assistant to plan global payments for your product targeting Korea, the US, and the EU, including PG selection and tax handling.