Running a 3DS emulator on Android 4.4.2 (KitKat) is extremely difficult because most modern emulators require at least Android 5.0 (Lollipop) or higher, as well as 64-bit hardware. However, if you are working with legacy hardware, 1. The Reality Check: Performance & Compatibility
Assume a hypothetical 3DS emulator for KitKat on a 2014 flagship (e.g., Galaxy S5 with 2GB RAM):
While 3DS is out of reach, your KitKat device can still be a powerful retro machine for these systems: 3ds emulator for android 4.4.2
Alternatives and recommendations
If you are determined to play 3DS games, your best paths forward are: Running a 3DS emulator on Android 4
Is there a real 3DS emulator for Android 4.4.2?
Citra MMJ (Older Builds): While the official Citra Emulator is discontinued and requires newer Android versions, some very early "MMJ" forks by developers like Weihuoya were optimized for lower-end devices. You would need to scour archive sites like GitHub or XDA Developers for APKs dated around 2018–2019. Performance Expectations (If a Magical Port Existed) Assume
The Nintendo 3DS Emulator is a popular emulator that supports a wide range of 3DS games. It's known for its high performance and compatibility with Android 4.4.2.
Performance on 4.4.2: