APKiD gives you information about how an APK was made. It identifies many compilers, packers, obfuscators, and other weird stuff. It's PEiD for Android.
![Screen Shot 2019-05-07 at 10 55 00 AM Screen Shot 2019-05-07 at 10 55 00 AM](/proxy.php?image=https%3A%2F%2Fuser-images.githubusercontent.com%2F1356658%2F57322793-49be9c00-70b9-11e9-84da-1e64d9459a8a.png&hash=c0f10dd22a2c01add7498d5577dbe92f)
For more information on what this tool can be used for, check out:
![Screen Shot 2019-05-07 at 10 55 00 AM Screen Shot 2019-05-07 at 10 55 00 AM](/proxy.php?image=https%3A%2F%2Fuser-images.githubusercontent.com%2F1356658%2F57322793-49be9c00-70b9-11e9-84da-1e64d9459a8a.png&hash=c0f10dd22a2c01add7498d5577dbe92f)
For more information on what this tool can be used for, check out: