Interactive mode = when swipes and long presses are captured by Bubble Clouds, Inactive mode = when only taps are captured by Bubble Clouds,
and Ambient = “Always on” mode

You can control where the bubbles appear using the “Size variance” option

Filled, hollow, icon-only, themed, and using icon-packs

This post includes 3 short tutorials:
Quick apply 1-click themes
Customize 1-click theme component colors
Quickly change background color

Instead of a custom layout I recommend using one of the Smart Auto Layouts, as these place the bubbles more precisely for a much more even look

Tap the phone bubble (battery level + find my phone)

The setting “Ambient mode” controls whether bubbles show in Always-ON Display or not

When we whitelist by phrase, it also matches the phrase against the name of the app

1. Download wallpaper to your device 2. Set custom image background in Bubble Cloud’s expert mode

This is a small utility, the main idea is that it will buzz your wrist if you sit too long, and you can quickly glance on the watch to see how long you have been sitting and whether you should take a break or not yet.

Bubble Cloud can show a long text watch face complication in peek card format.

Using Bubble Clouds as the watch face – this is where Bubble Cloud can show its full power!
 
Full feature list – with links to help
 
Active / inactive / ambient modes – explained
 
How to show notifications?

You can assign the timer to a hardware button push, then disable the app drawer. The button will string bring up the timer!

Use Bubble Cloud with any other watch face: press a button, use a watch face complication or swipe in from the upper half of the screen to open drawer.

Customize single and double press of hardware buttons
► Customize clock bubble long tap, double tap action
Assign any shortcut to any bubble from Bubble Edit Screen
Select, open bubbles in folder using watch button(s)
Customize Smart Home bubble toggle fields

configure Bubble Cloud to control what those buttons will do

new setting lets you pick shortcut actions for the bubble’s action

assign any function to the single and double press of the 2nd and 3rd buttons of your watch