Speed Math Mental Quick Games
  • Requires android: Varies with device
  • Developer: Standy Software
To install this bundle, you will need: APKServices Installer.

Android Certificate

Package:  com.astepanov.mobile.mindmathtricks
File MD5:  04228b2c47e8ee639f294d5a69621f8b
Certificate MD5:  a31c6c1d3a257f325292e9fcf8f2db8b
Certificate:  Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 1435921196 (0x55966b2c)
    Signature Algorithm: sha1WithRSAEncryption
        Issuer: C=RU, ST=Saratovskay Oblast, L=Saratov, O=Standy Mobile Software, OU=Mobile Development, CN=Andrey Stepanov
        Validity
            Not Before: Jul  3 10:59:56 2015 GMT
            Not After : Jun 26 10:59:56 2040 GMT
        Subject: C=RU, ST=Saratovskay Oblast, L=Saratov, O=Standy Mobile Software, OU=Mobile Development, CN=Andrey Stepanov
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (1024 bit)
                Modulus:
                    00:82:aa:02:1b:2c:8a:e7:36:06:a4:8a:8e:5e:65:
                    c1:96:f3:a5:b7:75:54:af:ae:7d:94:af:9a:64:fc:
                    61:e5:0a:53:67:a7:b8:5b:a0:9f:dd:52:e5:88:96:
                    57:92:98:36:1c:d8:85:a2:da:87:5f:19:2a:a4:8d:
                    0b:db:3e:b1:87:f1:34:45:9b:1a:3c:5d:46:a0:4e:
                    2d:d8:04:52:c4:fa:17:23:4d:92:75:b5:05:5b:9d:
                    ca:e5:28:1e:36:80:c7:c8:0e:7a:fb:1a:d8:e3:14:
                    6c:59:27:1a:b2:43:d6:b2:40:d3:ed:9c:f0:4c:54:
                    63:8d:2c:3a:68:31:9f:a7:31
                Exponent: 65537 (0x10001)
    Signature Algorithm: sha1WithRSAEncryption
         67:02:9c:63:f8:c0:6d:25:55:7b:be:49:95:5e:f8:e0:89:58:
         7d:c0:00:88:29:a4:07:25:ec:82:f8:40:89:82:49:c1:80:88:
         77:11:af:8b:51:bf:35:04:8e:de:16:e5:55:07:6a:45:99:e1:
         b0:57:9c:8b:d6:db:25:8f:26:85:7b:e1:0d:bb:2e:bd:72:14:
         32:9c:74:55:6d:d2:62:aa:4d:e2:88:91:47:11:ff:b9:4e:b4:
         e8:67:e9:af:0c:48:3c:e8:e9:cd:c5:3b:c1:97:3a:48:80:d8:
         94:a8:9a:e8:f2:f6:c6:af:6c:50:bb:81:69:f7:ac:41:f3:15:
         dd:7a
Custom Android Device Configuration
  1. Download original APK & OBB file from Google Play Store.
  2. Always get the APK Latest Version from Google Play updates.
  3. Bypass Geo restrictions and Incompatible.

We have more than 2000+ available devices for Samsung, Xiaomi, Huawei, Oppo, Vivo, Motorola, LG, Google, OnePlus, Sony, Tablet.. In case there isn’t any devices working in your phone, you can download by "Device ID" and select your android version

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📱 How to Turn Off Google Play Protect & Enable APK Installation

Important: Disabling Play Protect turns off automatic security scanning. Do this only temporarily and only if you trust the app source.

🍀 Method 1: Turn it off through the Google Play Store

  1. Step 1: Open the Google Play Store app on your Android phone.
  2. Step 2: Tap your profile picture or initial in the top right corner.
  3. Step 3: Select “Play Protect” (it has a shield icon).
  4. Step 4: Tap the gear icon ⚙️ in the top right corner (Settings).
  5. Step 5: You'll see two switches:
  • Scan apps with Play Protect
  • Improve harmful app detection

Step 6: 👉 Turn both switches off (slide them to the left).
When asked for confirmation:
“Turn off Play Protect scanning?” → Tap Turn off.

🍀 Method 2: Turn it off from your phone’s Settings app (some phones)

  1. Step 1: Open your phone’s Settings.
  2. Step 2: Scroll down and select Google → then Security.
  3. Step 3: Tap Google Play Protect.
  4. Step 4: Turn off “Scan apps with Play Protect.”

Tip: To turn it back on later, go to Play Store → profile icon → Play Protect → ⚙️ and switch the options back ON.

🍀 Method 3: Allow installation of APK files (outside Google Play)

  1. Step 1: Open your phone’s Settings.
  2. Step 2: Tap Security (or Privacy & Security on newer Android versions).
  3. Step 3: Tap Install unknown apps (or Install unknown sources).
  4. Step 4: Choose the app you’ll use to open/download the APK (e.g., Chrome, Files).
  5. Step 5: Switch on “Allow from this source.”
  6. Step 6: You can now install APK files from that app.

Safety reminder: After installing, turn Play Protect back on and consider disabling “Allow from this source” again.

Previous versions


Version: 4.6.4

Version: 4.6.4

Updated: December 07, 2023

Version: 4.4.4

Version: 4.4.4

Updated: September 22, 2023

Version: 4.3.7

Version: 4.3.7

Updated: July 04, 2023

Version: 4.3.1

Version: 4.3.1

Updated: January 30, 2023