A wallet is a software that keep private keys and can sign transactions to broadcast them to a network.
Waves Platform is an open-source and independent blockchain platform that allows its users to build applications, create and distribute new cryptocurrencies.
The best wallets are :
Waves Wallet Android is a mobile client to WavesPlatform.
The Waves wallet iOS app is a free mobile Waves client and full exchange wallet.
This Waves wallet can be installed as a Chrome extension, directly in your browser.