Useful English Expressions
v2.3.0 · 7.1 MB · code 419
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File information
UpdatedFeb 19, 2021
PublishedFeb 19, 2021
Packagecom.jaco.expressions
Versionv2.3.0 (419)
Size7.1 MB
MD527e8b9c259d44f57ba3fa284251d736a
Min SDK18
Malware scanTRUSTED
Signature SHA166:83:DD:2B:65:85:D4:70:FF:28:59:78:22:12:14:7B:B8:F3:3F:C6
SignerCN=Jaco, OU=Jaco, O=Jaco, L=Ho Chi Minh City, ST=Ho Chi Minh City, C=vi
Total downloads100,000
This version100,000
DeveloperJaco Corp.
Age ratingEveryone
What's new in v2.3.0
We constantly improve the apps to make it better for you.
Security scan
TRUSTED
- Developer signature verified 2021-02-19
- Scanned for malware 2021-03-01 16:21:22
- Signature SHA1 66:83:DD:2B:65:85:D4:70:FF:28:59:78:22:12:14:7B:B8:F3:3F:C6
- File MD5 27e8b9c259d44f57ba3fa284251d736a
How to install Useful English Expressions v2.3.0 on Android API 18+
Takes about 2 minutes. You'll need roughly 7.1 MB of free storage.
- Grab com.jaco.expressions_419.apk — hit the Download button above (7.1 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 27e8b9c259d44f57…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.jaco.expressions_419.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=Jaco, OU=Jaco, O=Jaco, L=Ho Chi Minh City, ST=Ho Chi Minh City, C=vi. 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 Useful English Expressions — tap Open on the install screen, or find the Useful English Expressions icon in your app drawer.
Common install errors for Useful English Expressions
- "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 18 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.