Dogecoin is an adoption-led brand asset, not a cash-flow protocol. The case rests on cultural durability, regulated access through listed products, developer-maintained payment tooling, and the possibility that app-layer products convert attention into usage. GigaWallet and Libdogecoin were designed to reduce integration friction, while DogeOS seeks to extend application functionality. Those paths are plausible but unproven at scale. Permanent issuance, no native smart-contract environment, and dependence on cyclical meme demand keep the investment case speculative. CAUTION remains appropriate until merchant or application activity is independently measurable.