For whom?
This application was created for Mi Band watchface designers. You can use it to preview your work without compilation. Notice: this app can't pack/unpack or edit watchface. To do that, you must use some other tool, like Pokka's editor. For more information, check this.
Features:
Any device
Supports Mi Band 4, 5 and 6
Quick preview
Without watchface rebuild
Auto-update
When watchface files are changed
Preview with custom data
View your wf with custom time, date, steps...
Open source
Totally free without ads
Screenshots
Download

Ubuntu (and Ubuntu-based):
sudo add-apt-repository ppa:melianmiko/software
sudo apt update
sudo apt install mibandpreview

Arch Linux \ Manjaro
yay -S mibandpreview-git
Like Mi Band Preview?
Leave feedback by telling about issues or suggesting ideas for improvement. You can also support me financially, so I can spend more time on development =)