Only use the official sources:
The official "Stable" version of Summertime Saga is currently . Version 0.20.17 was a highly anticipated "Tech Update" that transitioned the game to a new engine and 16:9 widescreen format. As of early 2026, development has moved beyond the 0.20.x stable branch into the v21.0.0-wip "Preview" builds, which incorporate the features originally planned for 0.20.17. Only use the official sources: The official "Stable"
Yes. The same version number (0.20.17) exists for Windows, macOS, and Linux. The Android APK is a direct port. Only use the official sources: The official "Stable"
Yes. The developer released a hotfix in 0.20.17 specifically for Android 14’s new storage permission model. Only use the official sources: The official "Stable"