Your best bet? Buy a used Oculus Quest 2 (now under $200 on eBay) and either stream the PC version or play the native Virtual Rick-ality via Revive (though it requires a gaming rig).
Finding a "Rick and Morty VR APK" generally refers to unofficial mobile ports or pirated standalone versions, as the original game, Rick and Morty: Virtual Rick-ality , was designed for PCVR and PlayStation VR. www.meta.com Rick And Morty Vr Apk