MathWallet5 has supported Cronos. Follow guide below and start using Cronos:
First, install the MathWallet5 version from https://mathwallet.org
On the chain list find the Cronos network and add a new wallet (you can import existing wallets from other chain as well)
Then you will able to receive and send tokens on Cronos
You can search and add assets to your wallet as well
For more dapps on Cronos, click: