Something broken, a cat lost, an idea worth building? Email komponentapps@protonmail.com and say what phone you're on and what happened.
On your phone. Every change is also copied to a backup file
(kittehpult-cats-latest.json, in Downloads on Android) so you can
keep a copy elsewhere or carry your cats to a new phone — Backup in the app
writes and restores them.
Reinstalling or switching phones can clear the local record of the purchase. Options → Restore purchases asks the store again; use the same Apple Account or Google account you bought it with.
Land cats squarely on the one below, and aim for cat beds — they steady everything above them. In Stressful mode tilt your phone to keep the column upright. Casual mode has infinite lives if you'd rather just fling.
Found a bug, or thought of something the game should do? Send it to komponentapps@protonmail.com — every message is read.