Chemistry XR (BETA)
v1.0 · 50 MB · code 1
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File information
UpdatedApr 17, 2021
PublishedApr 17, 2021
Packagecom.petra.topher.chemistry_xr
Versionv1.0 (1)
Size50 MB
MD5f4b214da65e848c3d25700bd80171c56
Min SDK19
ABIsx86, armeabi-v7a
Malware scanTRUSTED
Signature SHA145:A7:AC:7F:08:53:3E:15:64:BC:C0:4C:E3:78:C8:42:1B:24:E6:21
SignerC=62, ST=East Java, L=Surabaya, O=Petra, OU=Halim, CN=Topher
Total downloads100
This version100
DeveloperPetra Christian University
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2021-04-17
- Scanned for malware 2022-05-29 22:27:03
- Signature SHA1 45:A7:AC:7F:08:53:3E:15:64:BC:C0:4C:E3:78:C8:42:1B:24:E6:21
- File MD5 f4b214da65e848c3d25700bd80171c56
How to install Chemistry XR (BETA) v1.0 on Android 4.4 KitKat+
Takes about 2 minutes. You'll need roughly 50 MB of free storage.
- Grab com.petra.topher.chemistry_xr_1.apk — hit the Download button above (50 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches f4b214da65e848c3…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.petra.topher.chemistry_xr_1.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read C=62, ST=East Java, L=Surabaya, O=Petra, OU=Halim, CN=Topher. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Chemistry XR (BETA) — tap Open on the install screen, or find the Chemistry XR (BETA) icon in your app drawer (this build targets x86/armeabi-v7a devices).
Common install errors for Chemistry XR (BETA)
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android 4.4 KitKat or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.
- Works on one phone but not another — this build ships x86/armeabi-v7a native code. Devices with a different CPU will reject it.