Mnemonic: change/add new pattern

[tobiasKaminsky]

12 words are hard to type in.
Other apps use e.g. images or emojis, that are shown and the user has to click on them.

[weizenspreu]

IMHO emojis are even more difficult. They can't be easily written down on paper and look different on different platforms.

[susnux]

12 words are hard to type in.

Best use case of an password manager ;)

No but how about providing a QR code and implement scanning it in all clients?