APK Installer, XAPK Installer & Batch Install

• Install APK files with the Android package installer
• Install XAPK packages made of a base APK and split APK files
• Batch install: queue several APK or XAPK files and run them in one go
• Clear reasons when installs fail — incompatible ABI, min API, low space

• What is the difference between APK, XAPK and APKS?
• How do I install an XAPK or APKS file?
• It asks me to allow installing unknown apps. What now?
• Can I install several packages at once?
• Why did an installation fail?