Android Question MyApps not installing on Samsung A8

[Hari wibowo]

Hi, myapp not installing on Samsung A8 but another deviced is running well.
Whats the problem? has anyone ever experienced it?
This myApp, thanks.
https://drive.google.com/open?id=1lRRpzr2oPXUWnd4_UBuVnleVvfj8uT4F

 

[Erel]

Does it work if you change the package name (as a test)?

 

[Hari wibowo]

I changed the package name but it still can't be installed.
Thank you for the information.

 

[Brandsum]

What is happening when you are trying to install? Is that showing any failure message? Did you tried via USB or B4A bridge?