The TomTom VIO was a specialized "scooter sat-nav" designed to act as a second screen for a smartphone, but it was officially .
Android users can still find VIO APK files (the app's installer) on various third-party archival sites. The Legacy Phone: Tomtom Vio Hack
Since the official app is no longer on the Google Play Store or Apple App Store, users "hack" their way back to functionality by sideloading older APK files on Android. This requires disabling security signatures and using archived versions of the software. discontinued and the mobile app removed from stores
The was a personal navigation device (PND) from around 2006–2009. It ran a custom Linux-based OS and used a modified version of the Linux kernel . This fact made it attractive for tinkerers. This fact made it attractive for tinkerers