Right, It's just better to buy a phone, It's cheap nowadays. 2FA greatly helps in the security of accounts, I personally recommended to use 2FA on every account you have as possible, Hacking is not unusual today, Unsecured accounts are very vulnerable to hacking and we don't want to get compromised by the hackers.
I'm just glad that WOLF BET added 2FA this month. It really feels like comfortable to play with.
A smartphone is only to install and operate 2FA is very cheap. If you want a phone to trade or more things, you will need stronger phone and sure must spend more money for it.
For 2FA only, it is so cheap nowadays and everyone who invest in cryptocurrency can buy it (I maybe wrong but I hope not).
2FA codes must be saved offline, not online, and not on any cloud service. When their platforms (cloud services) get compromised, they will lose your data, and you know what will happen with your money.