The redbox is a collection of practical tools for mobile phones.
Tools list:
Muscle launch
Launch third-part apps by swipe action.

Photo & text
Cut panorama photos to thumbnail and share.

Same birthday
We may have a birthday at the same time.

Screenshot reminder
Use screenshot as todo without typing.

Contacts Search
Find contacts with letter initials.

Next day
Recurring task reminder.

On time ring
Voice announcement every hour.

SF Symbols
Color compare for light mode and dark mode.

iOS Color
Color compare for light mode and dark mode.

Tap roulette
Let the destiny choose the lucky one.

Some function are automatically unlocked, and there is a chance to unlock any function for free.