The string refers to a modified (modded) version of FolderSync Pro, specifically version 3.2.10 (build number 2020100088). This specific build is from approximately 2020, as indicated by the build number and release history. What is FolderSync Pro?
: A free version available on the Google Play Store that includes most core features but includes advertisements. foldersync-pro-3-2-10-build-2020100088-apk-mod
It allows users to set up "Folder Pairs" to sync data in one direction (upload or download) or bidirectionally. The string refers to a modified (modded) version
Unofficial builds may be unstable, especially since the 3.2.10 build is several years old and may not be compatible with modern Android permission systems like Scoped Storage introduced in newer Android versions. : A free version available on the Google
It includes a full-featured file manager to manage both local and remote files directly. Risks of Using "APK Mod" Versions
FolderSync Pro is a highly-rated Android application developed by Tacit Dynamics designed for synchronizing files between local storage (including SD cards) and various cloud providers or private servers.