Suggestions or Quick Access Do Not Appear

Suggestions don't appear

Check that the accessibility service is on. Open Typing Hero; if a banner shows Enable, follow its steps.
In the Detection and replacement section of Settings, turn on Detect Keywords.
In the Suggestions section of Settings, turn on Show Suggestions while typing.
Type at least 2 characters of a Keyword. With Match from start on, they must match the start of the Keyword.

If the window is there but hard to see, check Suggestions opacity and Suggestions height.

See Configure Suggestions.

Template Suggestions don't appear Premium

Template Suggestions appear only for a Text Snippet with multiple Templates and Manual Replacement Behavior.

If Show Suggestions while typing is off, also turn on Show Templates for full Keywords.

See Choose a Template.

The Quick Access notification doesn't appear

Open the Settings tab.
Tap Notifications and vibration.
Turn on Show Quick Access in the notification drawer.

Switch to the "Typing Hero" accessibility service to use this setting

Your phone still runs the old accessibility service, so Show Templates for full Keywords, Show Quick Access in the notification drawer, and Detect Keywords after Replacement are unavailable.

Follow the Switch steps.

Android blocks the notification

If Typing Hero shows Allow notifications for Quick Access, allow notifications for Typing Hero in Android's app settings.

Quick Access needs the accessibility service

If Typing Hero shows Turn on "Typing Hero" in accessibility settings to use Quick Access, the service is off. Turn it on, then open Quick Access again.

Quick Access doesn't open

If Typing Hero says it could not open Quick Access or read the current app:

Go back to the app you were typing in.
Tap the text field.
Open Quick Access again.