Two ways to try it. The Android app is the real system keyboard; the web app runs the same engine in any browser, no install.
Install the real keyboard on your phone (debug build, for testing).
Install APK (in this folder)app-debug.apk, or install over USB with adb install app-debug.apk.No install. Opens in any browser, works on your phone.
Open the web appNo AI. No cloud inference. No auto-sending. Suggestions come from an original, on-device engine and work in airplane mode. The app only ever inserts text you then send yourself.