You can always use the Lumi blockchain wallet as a multi-currency wallet for more than 1000 crypto assets or as a mono-wallet, for example - Substratum wallet to safely manage all of your Substratum tokens.
by Lumi Wallet
Substratum wallet
Free Substratum wallet for Web, Android, and iOS. Send or Receive Substratum for more than 1000 coins and tokens.