Oddly enough, sometimes updates break compatibility. There are specific mobile games that run perfectly on the Android Nougat (Android 7) base that version 4.240 utilized, but struggle on the Pie (Android 9) or Android 11 bases of newer emulators. For players dedicated to legacy mobile games or specific regional titles, version 4.240 remains the only viable option to play without graphical glitches or crashes.
Sites like:
MSI App Player version 4.240.15.5318 (and its sub-variant 4.240.15.6305 msi app player old version 4.240
User testimony from r/AndroidEmulation: "I tried BlueStacks 5, LDPlayer, and MEmu. None of them run Arknights as smoothly on my old i5-7400 as MSI App Player 4.240. It’s like a magic bullet." Oddly enough, sometimes updates break compatibility
Launch version 4.240, go through the initial setup (skip Google sign-in for now), then open Settings → Restore from Backup. Point it to your earlier export. Sites like: MSI App Player version 4