Sinjoh is a suite of DeFi launch infrastructure protocols operating on Robinhood Chain. Rather than functioning as a standalone token launchpad, Sinjoh acts as a backend protocol layer designed to automate post-launch mechanics for new tokens. The protocol suite includes six core tools: a Fee Router for automated reward routing and burning, a Liquidity Manager for auto-compounding liquidity provider positions, a trustless Merkle-based Airdrop Distributor, an automated WETH Raffle Rewards engine, immutable Treasury Vaults with timelocked governance controls, and single-sided liquidity Funding Bands. The native token, $INJOH, accumulates revenue generated from protocol deployment fees and trading activity across connected applications.