Here is the example how to run apk when you do not know what is the apk’s name.
First you need to call aapt to get info about AndroidManifest.xml from interesting apk. I will show you example on WifiKillDOwnloader.apk
In console you call:
aapt d xmltree WiFiKillDownloader.apk AndroidManifest.xml > manifest.txt
Console will output this: