After trying, I succeeded to create a debug.keystore manually with the following code on cmd:
keytool -genkey -v -keystore %HOMEPATH%/.android/debug.keystore -alias androiddebugkey -storepass android -keypass android -keyalg RSA -keysize 2048 -validity 10000 -dname "CN=Android Debug,O=Android,C=US".
About java i downloaded from oracle this package:
Java SE Development Kit 8u212
Windows x86 202.64 MB jdk-8u212-windows-i586.exe
My OS is Windows 7 ,32bit.
I filled in all the fields with the paths without a problem about: Adb,jarsigner,Debug keystore in Godot.
So, i did Export Project for my Android device and was created an apk file. I connected my Android device on my computer and i turned on the debbuging usb from my Android device. Then i made the transfer of the apk file in my Android device without a problem, but when i pressed the apk file in my device can not be installed. The android try but it can't installed the apk file.
My android device model is Tp-Link Neffos Y50.
Any suggestions please?