Summarize the following:
You'll usually find it in the app drawer or on the home screen. A list of suggestions will appear. It should be the first option in the list. You'll know you selected the correct app if you see a yellow envelope icon with a blue sharing symbol (android|share}} inside. If prompted, tap ACCEPT to start the installation. Once the app is installed, a new icon will appear in the app drawer.
Open the Play Store . Type sms share 2 into the search bar. Tap SMS Share 2 Print, Convert, Export, Backup, PDF, CSV. Tap Install.