Based on the naming convention, represents an Android application package (APK) file for a "Tap to Translate" tool, specifically version 1.61 (161), that has been processed with signapk [1].
On your Android device, go to (or Privacy ). taptotranslate161_signapk
Since this appears to be a customized or re-signed app, it likely cannot be installed from the Google Play Store. You will need to "sideload" it. Based on the naming convention, represents an Android
To give you more specific advice on this tool, could you tell me: Based on the naming convention