HappyCast
v3.1.21 · 8.1 MB · code 30121
Verify you're human
Solve this to start the download.
File information
UpdatedJan 1, 2022
PublishedMar 14, 2019
Packagecom.hpplay.happycast
Versionv3.1.21 (30121)
Size8.1 MB
MD5ba7149437bb63e3384451d4569a4eb47
Min SDK14
ABIsarmeabi, armeabi-v7a
Malware scanUNKNOWN
Signature SHA1EC:72:2B:2E:41:17:24:ED:5C:7C:A5:28:E8:67:2C:D1:1C:33:72:A8
SignerCN=???, OU=??????????, O=??, L=??, ST=??, C=??
Total downloads4,230
This version4,230
Developerkarlchentuo
Age ratingEveryone
Security scan
UNKNOWN
- Developer signature verified 2019-01-25
- Scanned for malware 2020-10-12 06:25:46
- Signature SHA1 EC:72:2B:2E:41:17:24:ED:5C:7C:A5:28:E8:67:2C:D1:1C:33:72:A8
- File MD5 ba7149437bb63e3384451d4569a4eb47
How to install HappyCast v3.1.21 on Android API 14+
Takes about 2 minutes. You'll need roughly 8.1 MB of free storage.
- Grab com.hpplay.happycast_30121.apk — hit the Download button above (8.1 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 ba7149437bb63e33…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.hpplay.happycast_30121.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 CN=???, OU=??????????, O=??, L=??, ST=??, C=??. 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 UNKNOWN).
- Done — open HappyCast — tap Open on the install screen, or find the HappyCast icon in your app drawer (this build targets armeabi/armeabi-v7a devices).
Common install errors for HappyCast
- "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 API 14 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 armeabi/armeabi-v7a native code. Devices with a different CPU will reject it.