2.1 = in AndroidStudio, navigate to your project and you will see app folder,inside that folder there will be a res folder,inside that folder there will be, value folder in that there will be a string.xml file
->open string.xml
->Make changes to fields according to your requirement here
2.2 = For example: your app name is Sky fighter and Currently It is having name “NewGame” in string.xml then
change
<string name="app_name">Your App Name</string>
to
<string name="app_name">Sky fighter</string>
2.3 & 2.4 =
Same As Above Change “admob_id” , “intersttial_id” , “base64_encoded_key”