[Asus ROG Phone Questions & Answers] enum5345:
I don't know where those apps are. I looked and pulled some apks which I thought they could be, but I don't know. Also, I don't know where the boot animation is.

Here is a 'ls' of the /system/app/ folder:

ARCore
ATOKIME
AntHalService
Asphalt9
AsusAnalytics
AsusBoost
AsusCellBroadcast
AsusConfigUpdater
AsusDeskClock
AsusFMRadio
AsusFMService
AsusFaceUnlockService
AsusHBM
AsusSensorService
AsusSetupWizard
AsusSplendidCommandAgent
AudioWizard
AudioWizardView
BRApps
Babe
BasicDreams
Blibli
Bluetooth
BluetoothExt
BluetoothMidiService
BookmarkProvider
BrowserGenie
BuiltInPrintService
CIAYOComics
CalendarGoogle
CallFeaturesSetting
Caping
CaptivePortalLogin
CarrierDefaultApp
CertInstaller
Chrome
CompanionDeviceManager
CtsShimPrebuilt
DMClient
Detik
DownloadProviderUi
Drive
DriveActivator
Duo
EasterEgg
Facebook
FacebookMessenger
FlipfontFelbridge
FlipfontMFinanceTW
FlipfontMYingHei
FlipfontMYuppyTW
FlipfontSyndor
FocusAppListener
FreeFire
GameBroadcasterService
Gmail2
GoogleContactsSyncAdapter
GoogleExtShared
GooglePay
GooglePrintRecommendationService
GoogleTTS
HTMLViewer
HardwareStub
IBook
Instagram
JakartaBaca
KeyChain
LatinImeGoogle
LiveWallpapersPicker
Maps
Messages
MobileManagerService
Music2
MyASUS
NQNfcNci
NetworkSetting
NextAppCore
PAIStub
PacProcessor
ParallaxLiveWallpaper
PartnerBookmarksProvider
Photos
PicMix
PrintSpooler
Protips
QtiTelephonyService
SUWTermsAndConditionsWebViewer
SeempService
ShimProcess
StitchImageService
Stk
TaskManager
TextAnalyticsService
TwinApps
UpdateLauncher
UserDictionaryProvider
Videos
WAPPushManager
WallpaperBackup
WapiCertManage
WebStorage
WebViewGoogle
WfdService
YogrtMeetFriends
YouTube
ZenTalk
ZenUIHelp
btmultisim
csclogtool
datastatusnotification
facebook-appmanager
iFilter
ims
remotesimlockservice
smcinvokepkgmgr
talkback
uimlpaservice
xdivert

And here is an 'ls' of the /system/priv-app/ folder:

AlwaysOn
AsusBlockedNumberProvider
AsusCalculator
AsusCamera
AsusContacts
AsusContactsProvider
AsusDataTransfer
AsusDemoService
AsusDemoUI
AsusEmergencyHelp
AsusEmergencyInfo
AsusGallery
AsusGalleryBurst
AsusGameCenter
AsusInCallUI
AsusLauncher
AsusMediaProvider
AsusPackageInstaller
AsusSettings
AsusSoundRecorder
AsusSplendid
AsusSystemDiagnostic
AsusSystemUISpecial
AsusThemeApp
AsusVisualMaster
AuraSync
BackupRestoreConfirmation
CNEService
CSCBatterySOH
CalendarProvider
CallLogBackup
CarrierConfig
CarrierServices
ConfigUpdater
CtsShimPrivPrebuilt
DefaultContainerService
DisplayLink
DocumentsUI
DownloadProvider
ExternalStorageProvider
FileManager
FusedLocation
GameBroadcaster
GameModeLiveWallpaper
GmsCore
GoogleBackupTransport
GoogleExtServices
GoogleFeedback
GoogleLens
GoogleOneTimeInitializer
GooglePackageInstaller
GooglePartnerSetup
GoogleServicesFramework
HotwordEnrollmentOKGoogleWCD9340
HotwordEnrollmentTGoogleWCD9340
HotwordEnrollmentXGoogleWCD9340
InadvertentTouch
InputDevices
Lockscreen
LogUploader
LogUploaderProxy
ManagedProvisioning
MmsService
MobileManager
MtpDocumentsProvider
NextApp
Phonesky
PowerSaving2
ProxyHandler
SettingsProvider
SetupWizard
SharedStorageBackup
Shell
SmartReading
StatementService
StitchImage
StorageManager
SystemMonitor
Tag
TeleService
Telecom
TelephonyProvider
TwinViewLauncher
Velvet
VpnDialogs
WallpaperCropper
WeatherTime
YandexApp
YandexBrowser
Zenimoji
com.qualcomm.location
dpmserviceapp
facebook-installer
qcrilmsgtunnel
seccamservice