Since "paper" is an ambiguous term in this context, here is the relevant information based on common interpretations:
For Android versions, the .apk file is installed normally, while the OBB folder must be moved to /Internal Storage/Android/obb/com.bethsoft.falloutshelter/ . Fallout.Refugio.v1.13.8.rar
Use a tool like 7-Zip or WinRAR to extract the contents. Since "paper" is an ambiguous term in this