Unlock themed dojos using starfruit, including:

If you only played the modern version, the classic Fruit Ninja for Android 4.4.2 offers a purer experience.

Because this is a legacy OS, malware authors often target old APK files. Never download from torrent sites or random pop-up ads.

Safe sources:

Check file hashes: A safe Fruit Ninja APK for 4.4.2 should have a SHA-1 hash starting with 5d... (Verify via online tools before installing).