Add a monochrome mode in the camera app.
It will be much more convenient than having a filter.
It will be good if we have one.
Provide us different types of wallpapers with regular beta/stable updates.
Add Support for Dropbox, Onedrive, Mega etc. in the in built file manager app. It helps in easy transfering files.
Add a permanent grid view option.
Gives us a dark mode toggle in the notification menu. It helps in swtiching between Colourful theme and Dark theme