If you are using windows, Download and install Minimal ADB and fastboot. After installation, Run Minimal ADB and connect. This will give you adb command prompt
Run Following command
adb connect ip_address
ip_address you can find out in the setting of the Android
after that download apk file which you want to install. Copy that in the folder where you install Minimal ADB otherwise will require to give complete path
Now install that using following command
adb install file_name.apk.
This will install the file.
Google play store and other google program does not work properly on raspberry pi