Can Tmall Elf v 10se be used as software?

You can't. According to relevant information, Tmall Elf cannot install third-party apps. The Tmall Elf itself is equipped with many platforms. On the mobile phone side of Tmall Elf, you can see that many apps have cooperation, and you can directly authorize the accounts of these apps. You can directly view the contents of these apps and use them on the mobile phone, without installing a third-party app.