ANSWER:
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Taking Back Up of an android App using Astro file Manager
Astro file manager is an android file manager software developed by the Metago company. At present, it is the is the most downloaded and fastest growing file management application among android lovers.
In order to create a backup of an android app on your phone, first download Astro file manager software and install it on your android device:
https://play.google.com/store/apps/details?id=com.metago.astro&hl=en for phone2
1-Open Astro file manager.
2-Select the menu button of your android device.
3-Select 'tools' from the menu.'
4-After selecting 'tools', select 'Application Manager/Backup' from the options.
5-Choose the apps to back up.
6-Click on back up option.
7-The .apk installation file will be extracted and the file will be saved in the 'backups' folder on your memory card. and transfer to other phone1
other method
APK Extractor
https://play.google.com/store/apps/details?id=com.extract.apk download for phone 2
after that
- apk will be saved in /sdcard/apks in phone 2
2.Transfer sdcard from phone 2 to phone 1 and install all apk which that want its
or
by apk will be send to e-mail and open e-email in phone1 and install apk
or
1-transfer all file apk saved in sdcard/apks in phone 2 and moved her to PC by cable (USB)
2- saved apk files in PC
3- move or transfer to other phone(phone 1) saved in dwonload and install apk from there