PhotoAffix commonly use Screener to make device frame art, and PhotoAffix put the results side by side to make one showcase image for apps. PhotoAffix will help you with that. Plus it's open source.
The first step to use this application is to first Download the application here
https://play.google.com/store/apps/details?id=com.afollestad.photoaffix&hl=in
Open the PhotoAffix app that was downloaded earlier
Then you will be moved into the Photo Affix app. Choose photos or images you want to combine.
Next, click the AFFIX button.
You can also change new PNG or JPEG photo types with resolutions that you can change as you please.
And finally you guys have got the picture that has been combined into one.
The results are as Bellow.
by Irvan Pratama 
