Before build a release please check the following items: 1. In com.vvt.android.syncmanager.Customization, turn off debug flag, check product edition, name, and ID. 2. In com.fx.android.common.Customization, turn off the debug flag. 2. In /res/values/string.xml, check app name, build date, and build version. 3. In AndroidManifest.xml, check app name and versions. RETAIL_PRODUCT_ID 70 RETAIL_PRODUCT_NAME FSLGVAD RESELLER_PRODUCT_ID 10050 RESELLER_PRODUCT_NAME FSLGVRAD