In contrast, an is an archive file format used by the Android operating system to distribute and install applications. APKs run inside Android’s userspace, under a Java-based framework (ART/Dalvik).
On his monitor, a single file sat on the desktop: Tow-Boot.apk . tow-boot bootloader apk
You cannot install a bootloader as an Android app because the bootloader must run Android even exists in the system's memory. In contrast, an is an archive file format
For Tow-Boot specifically: No developer is working on an APK installer because the target devices (Pine64, Librem 5, etc.) do not run Android as their primary OS. It would be a waste of engineering effort. You cannot install a bootloader as an Android
[Tow-Boot] Chain of trust: BROKEN. [Tow-Boot] Loading community kernel... [Tow-Boot] You are root. Be kind.
Here is the hard truth: Tow-Boot is not an Android application, cannot be installed via an APK, and attempting to do so would be technically impossible and dangerous.