Reason why many like Nano cryptocurrency is because of it's use case - Nano is ideal crypto because of it's features.
So here is a list of apps and websites that I found where Nano can be used.
Spend, send or hold with Visa or Mastercard:
https://wirexapp.com
Integrate point of sale system for IRL shop:
https://www.kappture.co.uk
Integrate to Unreal Engine game:
https://github.com/wezrule/UE4NanoPlugin
Integrate to Minecraft Server:
https://github.com/Kirby1997/BananoCraft
Buy and Sell online:
https://nanomart.cc
Pay with Nano (various merchants):
https://usenano.org
Block phone calls and get paid:
https://karmacall.com
Send to others via social media bots:
https://www.reddit.com/user/nano_tipper
https://t.me/NanoTipBot
https://twitter.com/nanotipbot
https://thenanobot.co
Gamble:
https://nanogames.io
https://www.luckynano.com
https://nano.bet/index.htm
https://playnano.online/roulette
https://luckygames.io
Earn:
https://playnano.online/offerwalls
https://www.quicrypto.com
https://bitfortip.com
Play games and earn:
https://www.wenano.net
https://nanoquakejs.com
https://playerkillers.exchange
https://nanoarcade.org/games
https://earn-nano.com/csgo
https://earn-nano.com/jc2rp
Claim from faucets:
https://nano-faucet.org
https://www.freenanofaucet.com
https://apollonano.com
https://play.google.com/store/apps/details?id=com.bdf.tipnano