what device do you have? after you get boolean it must install app and that app should be visible in app drawer. you can install android apps from file manager too.
[root@Sailfish system]# journalctl -l | grep apkd Mar 03 23:16:23 Sailfish systemd[1]: Starting apkd path watcher. Mar 03 23:16:23 Sailfish systemd[1]: Started apkd path watcher. Mar 06 21:08:32 Sailfish alien_setup_chroot.sh[6276]: apkd-mount /opt/alien Mar 06 21:34:25 Sailfish dbus[694]: [system] Activating via systemd: service name='com.jolla.apkd' unit='dbus-com.jolla.apkd.service' Mar 06 21:34:25 Sailfish apkd[12458]: Using /data for apps + data directly Mar 06 21:34:25 Sailfish apkd[12458]: Removing old incoming file: /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:34:25 Sailfish dbus[694]: [system] Successfully activated service 'com.jolla.apkd' Mar 06 21:34:26 Sailfish apkd[12458]: Asking ACL to install (inside chroot): /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:40:00 Sailfish apkd[12458]: File already exists in incoming folder: /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:40:00 Sailfish apkd[12458]: Asking ACL to install (inside chroot): /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:54:11 Sailfish apkd[12458]: File already exists in incoming folder: /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:54:11 Sailfish apkd[12458]: Asking ACL to install (inside chroot): /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:55:19 Sailfish apkd[12458]: File already exists in incoming folder: /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:55:19 Sailfish apkd[12458]: Asking ACL to install (inside chroot): /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:57:15 Sailfish apkd[12458]: File already exists in incoming folder: /data/app//incoming/org.fdroid.fdroid.apk Mar 06 21:57:15 Sailfish apkd[12458]: Asking ACL to install (inside chroot): /data/app//incoming/org.fdroid.fdroid.apk Mar 06 22:10:27 Sailfish apkd[12458]: Asking ACL to install (inside chroot): /data/app//incoming/com.nema.batterycalibration.apk Mar 06 22:11:11 Sailfish apkd[12458]: File already exists in incoming folder: /data/app//incoming/org.fdroid.fdroid.apk Mar 06 22:11:11 Sailfish apkd[12458]: Asking ACL to install (inside chroot): /data/app//incoming/org.fdroid.fdroid.apk Mar 06 22:12:08 Sailfish apkd[14317]: Using /data for apps + data directly Mar 06 22:12:08 Sailfish apkd[14317]: Removing old incoming file: /data/app//incoming/com.nema.batterycalibration.apk Mar 06 22:12:08 Sailfish apkd[14317]: Removing old incoming file: /data/app//incoming/org.fdroid.fdroid.apk Mar 06 22:12:08 Sailfish apkd[14317]: Cannot register D-Bus service at com.jolla.apkd Mar 06 22:12:13 Sailfish apkd[14321]: Using /data for apps + data directly Mar 06 22:12:13 Sailfish apkd[14321]: Cannot register D-Bus service at com.jolla.apkd Mar 06 22:20:00 Sailfish apkd[12458]: Asking ACL to install (inside chroot): /data/app//incoming/org.fdroid.fdroid.apk