SAI VS TapTap

root BlueStacks, install the game on it, use a root-compatible file explorer like fx to go to the path System (Root)/data/app/com.llc3909.papersplease-1/ and copy over the 'base.apk' and 'split_config' apk, install on your phone using a split APK installer

I'm a mobile player (Android) and I was installing Dead Cells on my Nvidia Shield using SAI. I noticed I never properly logged in on my first device, so I did after playing one game on the Shield. That overwrote my 4bc save. So I guess I'm effed? I do have the SAI backup, but I don't think that has save files. I tried logging out again but seems like you still keep the same save.

SAI - Split APK Installer

Other than the base APK, split APK files can’t be installed individually with the default APK installer. You can use ADB tool to install them in a command line (“adb install-multiple -r base.apk split_config.armeabi_v7a.apk split_config.hdpi.apk”). But the easiest way is to use the open-source Split APKs Installer (https://github.com/Aefyr/SAI/releases). In SAI, click “Install APKs” and select all APKs exported from an app bundle, and finally click “Install”."

SAI itself has to be sideloaded on Shield TV because it's not available to Android TV devices (but works fine with sideload): https://github.com/Aefyr/SAI/releases

Maybe looking into SAI source code would assist. https://github.com/Aefyr/SAI

Then you use a split apk installer, such as https://github.com/Aefyr/SAI/ Once you download and install this from the releases page, go ahead and install it. You will be using it for bundling together the base.apk and the 4 split*.apk's from the *.vending directory and installing those 5 apks from the *.vending directory together..

Install the set of APKs using Split APKs Installer (SAI). You can download SAI from its GitHub repo, F-Droid, or Google Play Store.

Tap, Tap (version 1610): double tap on back of device

This app has double tap with sensitivity adjustment, works perfectly for me with no noticeable battery drain. https://github.com/KieronQuinn/TapTap

Just a quick shout-out of an app I discovered, it's a backport of quick tap for older android versions, but also has sensitivity adjustments and works great for me. Always triggers when I double tap (unlike the originl) and I've never had it accidentally trigger. https://github.com/KieronQuinn/TapTap

That said, some apps do use Material Design 3: Sync, Simple File Manager, Auxio Tap, Tap

Github

Tap Tap provides customizable tap routines

Tap, Tap (version 1600): double tap on back of device

there also is an app named "tap tap" available on GibHub with direct integration as Tasker Plugin.

Have a look at Tap, Tap.