[Android Head-Units] GalaxyA325G:
I do NOT know the answer to your question, as I'm new to OBDII myself (as a user), but I just wanted you to know that I just spent a few hours researching the free OBDII apps out there, and I figured I'd let you know which ones you might want to look at to see if THEY do what you want YOUR APP to do.

View attachment 6052202

ELM OBD

1 requires account (strike 1, you're out)

*ULTRA OBD OBD2 CAR SCANNER ELM* by XAS Applications

free,adfree,gsf?,rated 4.4 stars in 320 reviews with 10K+ Downloads

<https://play.google.com/store/apps/details?id=com.applications.xas.obdultra>

2 French (strike 1, you're out)

*OBD Diag & Scan* by clickshopping.fr

free,adfree,gsf?,rated 4.2 stars in 382 reviews with 50K+ Downloads

<https://play.google.com/store/apps/details?id=com.clickshopping.obddiagscan>

3 *Smart Control OBD2 Scanner ELM* by SmartApps4Me

free,adfree,gsf?,rated 3.9 stars in 2.94K reviews with 100K+ Downloads

<https://play.google.com/store/apps/details?id=it.smartapps4me.smartcontrol>

4 wants precise location

*ELM OBD Terminal* by CHINH LUONG QUOC

free,adfree,gsf?,inappfree,rated 3.6 stars in 25 reviews with 5K+ Downloads

<https://play.google.com/store/apps/details?id=com.chinhlqtb.elm327.obd2.terminal>

5 *alOBD Scanner* by Alexandre Beloussov

free,adfree,gsf?,inappfree,rated 3.5 stars in 130 reviews with 50K+ Downloads

<https://play.google.com/store/apps/details?id=com.obd2>

6 *alOBD Terminal* by Alexandre Beloussov

free,adfree,gsf?,inappfree,rated 3.1 stars in 72 reviews with 10K+ Downloads

<https://play.google.com/store/apps/details?id=com.obd2.research>

7 *CCY OBD MOBILE - for ELM327 an* by CCY - DIAGNOSTIC INTERFACES

free,adfree,gsf?,inappfree,rated no stars with 5K+ Downloads

<https://play.google.com/store/apps/details?id=pl.ccy.ccyobdmobile>

8 wantsprecise location

*X-ELM* by v-checker

free,adfree,gsf?,inappfree,rated no stars with 100+ Downloads

<https://play.google.com/store/apps/details?id=com.vchecker.x_elm>

9 Crashes

*Dashboard Racing 695* by Laurent CASSIER

free,adfree,gsf?,inappfree,rated 5.0 stars in 77 reviews with 10K+ Downloads

<https://play.google.com/store/apps/details?id=com.konart.obd.dashboardRacing>

10 blue in some language not English

*Escáner coche ELM OBD2 técnico* by Autoxuga Movil, SL

free,adfree,gsf?,inappfree,rated no stars with 1+ Downloads

<https://play.google.com/store/apps/details?id=com.autoxuga.diagnosisobd>

11 red in some language not English and requires login/passwd

*Escáner coche ELM OBD Autoxuga* by Autoxuga Movil, SL

free,adfree,gsf?,inappfree,rated no stars with 500+ Downloads

<https://play.google.com/store/apps/details?id=com.autoxuga.obd>

12 May only work with their device (dunno yet)

*Infocar Connect - Diagnostics* by Infocar Connect AB

free,adfree,gsf?,inappfree,rated no stars with 10K+ Downloads

<https://play.google.com/store/apps/details?id=se.infocar.icardtc>

*Torque Lite (OBD2 & Car)* by Ian Hawkins, Contains ads

free,has ads,req gsf,rated 3.6star in 50.5K reviews w/ 10M+Downloads

<https://play.google.com/store/apps/details?id=org.prowl.torquescan>

*Torque Pro (OBD 2 & Car)* by Ian Hawkins, $5 payware

$5,noads,req gsf,rated 4.1star in 76.4K reviews w/ 1M+Downloads

<https://play.google.com/store/apps/details?id=org.prowl.torque>