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Baby Learning Games Flashcards

Meemu: Educational Learning Games for Kids age 2-5 · Build 2.0.4

com.meemu.flashcards
Static analysis completeScanned 2026-10-14 00:09 UTC

Static checks identify review items, not a guarantee of safety.

Overview

Analysis recorded

3 finding categories to review

Baby Learning Games Flashcards (com.meemu.flashcards) scored grade A, 97 out of 100, in a static scan of version 2.0.4 on 2026-10-14. It has no high or critical findings, and 3 lower-severity finding categories across 4 occurrences. 6 tracking SDKs are present in the package, which describes what ships, not what runs or what it sends. This is static analysis of a single build: it does not observe the app running and does not establish that any data is exposed.

Finding categories34 occurrences
High / critical0Category count
Tracking SDKs6Presence, not observed traffic
Assessment score97 / 100Grade A

Start with these findings

lowFirebase Realtime Database reference1 occurrence

Interpretation & review guidance

A Firebase Realtime Database URL. Nearly every app that uses Firebase ships one. It's only an exposure if the database rules are world-readable — that's what live verification checks.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
lowFirebase Storage bucket reference1 occurrence

Interpretation & review guidance

A Firebase Cloud Storage bucket reference (the default <project>.appspot.com). Storing user files here is normal — it's only an exposure if the Storage security rules allow public read/list, which live verification tests.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
lowGoogle API key (client-shipped; restriction unverified)2 occurrences

Interpretation & review guidance

Android apps are designed to ship Google API keys in the client; Google restricts them by app signing certificate + enabled API. This is only a problem if the key is left unrestricted — presence alone is expected, not an exposure.

Evidence
2 recorded occurrences in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
View all 3 categories

Privacy

14 requested permissions · 0 flagged high-risk classes.

Review privacy signals →

Build & components

46 components recorded. Certificate parsing does not validate APK signature integrity.

Inspect build evidence →

Findings

3 categories · 4 occurrences. Severity totals describe categories. Expand a finding for interpretation and review guidance.

lowFirebase Realtime Database reference1 occurrence

Interpretation & review guidance

A Firebase Realtime Database URL. Nearly every app that uses Firebase ships one. It's only an exposure if the database rules are world-readable — that's what live verification checks.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
resources.arsc
Recorded match
Pattern recorded; identifying value redacted.
Detector rule
firebase_db
Recorded file locations
  • resources.arsc
  • assets/google-services-desktop.json

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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lowFirebase Storage bucket reference1 occurrence

Interpretation & review guidance

A Firebase Cloud Storage bucket reference (the default <project>.appspot.com). Storing user files here is normal — it's only an exposure if the Storage security rules allow public read/list, which live verification tests.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
resources.arsc
Recorded match
Pattern recorded; identifying value redacted.
Detector rule
firebase_storage_bucket
Recorded file locations
  • resources.arsc
  • assets/google-services-desktop.json

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

Preview evidence and Pro tools

Search recorded evidence and save private review notes with Pro. $99/month plus applicable tax.

lowGoogle API key (client-shipped; restriction unverified)2 occurrences

Interpretation & review guidance

Android apps are designed to ship Google API keys in the client; Google restricts them by app signing certificate + enabled API. This is only a problem if the key is left unrestricted — presence alone is expected, not an exposure.

Evidence
2 recorded occurrences in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
resources.arsc
Recorded match
AIza•••••••• (21–40 chars, redacted)
Detector rule
google_api_key
Recorded file locations
  • resources.arsc

2 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

Preview evidence and Pro tools

Search recorded evidence and save private review notes with Pro. $99/month plus applicable tax.

Privacy signals

Capabilities and bundled software do not prove that data was collected or transmitted.

Requested permissions14
Flagged high-risk classes0
Detected SDKs6
Requested permission inventory (14)
  • android.permission.ACCESS_ADSERVICES_AD_ID
  • android.permission.ACCESS_ADSERVICES_ATTRIBUTION
  • android.permission.ACCESS_NETWORK_STATE
  • android.permission.INTERNET
  • android.permission.POST_NOTIFICATIONS
  • android.permission.RECEIVE_BOOT_COMPLETED
  • android.permission.VIBRATE
  • android.permission.WAKE_LOCK
  • com.android.vending.BILLING
  • com.google.android.c2dm.permission.RECEIVE
  • com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
  • com.google.android.gms.permission.AD_ID
  • com.meemu.flashcards.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
  • com.meemu.flashcards.permission.C2D_MESSAGE

Data collection & flow (privacy signal, not part of the grade)

Data the app can access
No sensitive runtime permissions requested.
Persistent identifiers (referenced in code)
Advertising ID (AAID)Android IDDevice ID / IMEI
Where it can go
Third parties present (4)
Google AdMobGoogle Analytics for FirebaseGoogle Firebase AnalyticsGoogle Tag Manager
  • Persistent-identifier APIs referenced in code (Advertising ID (AAID), Android ID, Device ID / IMEI) with 4 analytics/ad SDK(s) present — the mechanism used for cross-app profiling.

This maps what the app can access (permissions it requests, identifier APIs its code references) to the third parties bundled in it. It reflects capability and SDK presence — not proof that a specific value was transmitted.

Data Safety comparison not recorded.

Trackers & SDKs (6 detected · privacy signal, not part of the grade)

Advertising
Google AdMob
Analytics
Google Analytics for FirebaseGoogle Firebase AnalyticsGoogle Tag Manager
Consent
IAB TCF
Crash reporting
Google Crashlytics

Build & components

Scanned build 2.0.4. Store metadata may describe a newer release.

APK SHA-256164b189e8e4f9e54e000d99ec0019e4aec1a4de08c91414847c5a7edacc55e72

Signing certificate (who signed this build — factual, not part of the grade)

Signer
Google Inc. self-signed
Scheme
V3V2
Key
RSA 4096-bit
Algorithm
sha256WithRSA
Validity
2020-06-17 → 2050-06-17
Cert SHA-256
76:3c:6b:0f:66:eb:35:24:31:6e:80:53:67:90:65:cd:54:9f:4c:ca:44:cc:9d:c1:74:23:fc:ab:aa:92:c9:32

The certificate fingerprint identifies the parsed signing certificate. Knowing this public fingerprint does not establish ownership or validate the APK signature.

Signature integrity: not established by certificate parsing.

Component inventory

46 components. Advisory matching covers a curated set; no match is not proof that a component is vulnerability-free.

Bundled components and recorded advisory matches
ComponentVersionAdvisory matches
androidx.activity:activity1.3.1None recorded
androidx.activity:activity-compose1.3.1None recorded
androidx.activity:activity-ktx1.3.1None recorded
androidx.annotation:annotation-experimental1.3.0None recorded
androidx.arch.core:core-runtime2.1.0None recorded
androidx.autofill:autofill1.0.0None recorded
androidx.compose.runtime:runtime1.0.1None recorded
androidx.compose.runtime:runtime-saveable1.0.1None recorded
androidx.compose.ui:ui1.0.1None recorded
androidx.compose.ui:ui-geometry1.0.1None recorded
androidx.compose.ui:ui-graphics1.0.1None recorded
androidx.compose.ui:ui-text1.0.1None recorded
androidx.compose.ui:ui-unit1.0.1None recorded
androidx.compose.ui:ui-util1.0.1None recorded
androidx.core:core1.9.0None recorded
androidx.core:core-ktx1.9.0None recorded
androidx.customview:customview1.0.0None recorded
androidx.documentfile:documentfile1.0.0None recorded
androidx.fragment:fragment1.1.0None recorded
androidx.legacy:legacy-support-core-utils1.0.0None recorded
androidx.lifecycle:lifecycle-livedata2.0.0None recorded
androidx.lifecycle:lifecycle-livedata-core2.3.1None recorded
androidx.lifecycle:lifecycle-runtime2.3.1None recorded
androidx.lifecycle:lifecycle-runtime-ktx2.3.1None recorded
androidx.lifecycle:lifecycle-viewmodel2.3.1None recorded
androidx.lifecycle:lifecycle-viewmodel-ktx2.3.1None recorded
androidx.lifecycle:lifecycle-viewmodel-savedstate2.3.1None recorded
androidx.loader:loader1.0.0None recorded
androidx.localbroadcastmanager:localbroadcastmanager1.0.0None recorded
androidx.print:print1.0.0None recorded
androidx.privacysandbox.ads:ads-adservices1.1.0-beta11None recorded
androidx.privacysandbox.ads:ads-adservices-java1.1.0-beta11None recorded
androidx.profileinstaller:profileinstaller1.0.1None recorded
androidx.savedstate:savedstate1.1.0None recorded
androidx.savedstate:savedstate-ktx1.1.0None recorded
androidx.startup:startup-runtime1.0.0None recorded
androidx.tracing:tracing1.0.0None recorded
androidx.versionedparcelable:versionedparcelable1.1.1None recorded
androidx.viewpager:viewpager1.0.0None recorded
com.google.play.appupdate1.8.2#1None recorded
com.google.play.common1.8.1None recorded
com.google.play.core1.8.1None recorded
com.google.play.review1.8.2#1None recorded
kotlinx:coroutines_android1.7.3None recorded
kotlinx:coroutines_core1.7.3None recorded
kotlinx:coroutines_play_services1.7.3None recorded
Export SBOM
About this app · store information

About this app

Toddler Flash - Cards for Kids

Content ratingEveryone
Download size102.1 MB
Privacy policyPublished →
Developer sitewww.meemukids.com/

Screenshots

App screenshotApp screenshotApp screenshotApp screenshotApp screenshot

Scan history

Each row is an observed scan. Gaps between scans do not establish how long a finding existed.

Scanned (UTC)BuildScoreGrade
2026-10-14 00:09 UTC2.0.497A
2026-09-29 01:54 UTC2.0.497A

View changes between the last two scans →

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Coverage & gap matrix · Verify signed evidence

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apk-scanner.com exposure grade
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