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 - AB-Chain RTB wallet to safely manage all of your AB-Chain RTB tokens.
Lumi also provides AB-Chain RTB mobile wallet app for Android and IOS and web AB-Chain RTB wallet for all browsers.
Lumi AB-Chain RTB wallet gives you easy access to your AB-Chain RTB cryptocurrencies: