Apk editor pro is the best alternative of apktool for android and apktool for windows .It can edit android apps without doing any setups . The best feature of this is that you can edit smali files means anyone with knowledge of smali coding can change app code. Here is the features of apk editor 

Features : 

1. Change app name.

2. Change package name (eg. Com.Facebook.orca to com.SPD.anything) 

3. Changing app version numbers.

4. Changing and replacing  images inside app.

5. Changing app icons .

6. Changing string text means changing the text that displays inside apps. 

7. Many More Features. 

Download :
APK editor For Android V1.4.2 

Comment below if you want to know about  using this app ... Or facing any problem.