I made a couple dApp for ICO, made with meteorJS or MERN stack. Also I built smart contracts for tokens eec20 and 721 a 777 too. Crowdsales and whitelist contracts. Made a game on Tron blockchain all with react and redux, with neumorphic style (not active now but can show you my repo) Currently building an MVP that consist of a made with unity game that puts the score on a leaderboard on blockchain for an onlus.